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The Daily Galaxy - Great Discoveries Channel -Your Daily Dose of Awe: Science, Space, Tech

The Daily Galaxy -Great Discoveries Channel, is an eclectic text and video presentation of news and original insights on science, space exploration, and the environment and their reflections in popular culture (film, books, events). Eclectic text and video blog of news and insights on science, space, technology and popular culture.



The Alien Observatory: "Signals of Extinct Extraterrestrial Civilizations --Echo Throughout the Milky Way"   

    "The signals will be from the civilization as it was," said Frank Drake, creator of the famous Drake Equation. "It is not a remote possibility — it is a high probability — that signals we receive will be from a "civilization that no longer exists."   If signals from an alien civilization ever reach Earth, odds are the aliens will already be dead. In an effort to update the 1961 Drake Equation, which estimates the number of detectable, intelligent civilizat...

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2018-05-20 07:32:25



TESS: NASA's New Alien Planet Hunter --Opens Its Eyes to the Cosmos for 1st-Light Image  

      "We learned from Kepler that there are more planets than stars in our sky, and now TESS will open our eyes to the variety of planets around some of the closest stars," Paul Hertz, the director of NASA's astrophysics division, said. "TESS will cast a wider net than ever before for enigmatic worlds." NASA's next planet hunter, the Transiting Exoplanet Survey Satellite (TESS), is one step closer to searching for new worlds after successfully completing a lunar flyby on

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2018-05-19 06:48:32



Today's Top Space Headline --"We've Lost Contact!" --NASA's New Horizon's Mission to Pluto Was Nearly a Heartbreaker  

    "What made this even worse, was that every move had to be done by remote control with a nine-hour round-trip radio communication time between mission control and the spacecraft. Science classes teach how the speed of light is incredibly fast, how a signal moving at that speed can travel around the world in an eighth of a second or to the moon and back—a half-million-mile trip—in just two and a half seconds. But for the New Horizons team trying to get their spacecraft back...

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2018-05-18 08:53:09



From the Farside --"Octopus Descended from Alien Organisms Delivered to Earth by Comets"  

    "It takes little imagination to consider that the pre-Cambrian mass extinction event(s) was correlated with the impact of a giant life-bearing comet (or comets), and the subsequent seeding of Earth with new cosmic-derived cellular organisms and viral genes," that hitched a ride to Earth on icy bolides. "Indeed," this principle applies to the sudden appearance in the fossil record of pretty well all major life forms." Cephalopods - octopuses, squids and nautiluses ...

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2018-05-18 05:46:07



Today's "Planet Earth Report" --NASA: "We are Witnessing a Dramatic Change in World's Freshwater Resources"  

  "What we are witnessing is major hydrologic change," said co-author Jay Famiglietti of NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California. "We see a distinctive pattern of the wet land areas of the world getting wetter - those are the high latitudes and the tropics - and the dry areas in between getting dryer. Embedded within the dry areas we see multiple hotspots resulting from groundwater depletion." In a first-of-its-kind study, scientists have combined an array

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2018-05-17 09:09:22



Strange Extraterrestrial Laser Signal Detected at the Heart of the Spectacular Ant Nebula  

     New data shows that the Ant Nebula beams intense laser emission from its core. Lasers are well-known down on earth in everyday life, from special visual effects in music concerts to health care and communications. In space, laser emission is detected at very different wavelengths and only under certain conditions. Only a few of these infrared space lasers are known. An international team of astronomers have discovered an unusual laser emission that suggests the presenc

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2018-05-17 07:08:58



Earliest Signal of Oxygen in the Universe --"Traveled 13.28 Billion Light-Years to Reach Earth"  

      "With this discovery we managed to reach the earliest phase of cosmic star formation history," said Takuya Hashimoto, a researcher at Osaka Sangyo University and the National Astronomical Observatory of Japan. "We are eager to find oxygen in even farther parts of the Universe and expand the horizon of human knowledge." Astronomers detected a faint but definite signal of oxygen in a galaxy located 13.28 billion light-years away from us, through observations using the

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2018-05-16 12:47:26



Today's "Planet Earth Report" --'Disrupting!' -Bitcoin Predicted to use 1/2% of World's Electric Energy By End of 2018  

    Bitcoin is dependent on computers that time-stamp transactions into an ongoing chain to prevent duplicate spending of coins. Computers in the network perform calculations continuously, competing for the chance, once every ten minutes, to be appointed to create the next block of transactions in the chain. The user of the computer that wins is awarded 12.5 new coins—a process known as "mining" Bitcoin. But all the time, even the users that don't win are expending computing ...

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2018-05-16 09:00:18



NASA's Mars Cube One --Captures Our 'Pale Blue Dot' from One Million Kilometers --"A Big Milestone"  

    NASA's Voyager 1 took a classic portrait of Earth from several billion miles away in 1990. Now a class of tiny, boxy spacecraft, known as CubeSats, have just taken their own version of a "pale blue dot" image, capturing Earth and its moon in one shot.The first image captured shows both the CubeSat's unfolded high-gain antenna at right and the Earth and its moon in the center, was acquired by MarCO-B on May 9. NASA set a new distance record for CubeSats on May 8 when a p

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2018-05-16 06:34:03



Today's Top Space Headline --"Intriguing New Milky-Way Mysteries Unveiled by ESA's Gaia Spacecraft"  

    In one of the most exciting of the new mysteries unveiled by the new, second release of the European Space Agency's Gaia spacecraft data, U.K. astronomers traced the origin of a hypervelocity star to the center of the Large Magellanic Cloud, the Milky Way's largest satellite galaxy. It could mean only one thing: that the star was accelerated by whipping around a massive black hole at the center of the Large Magellanic Cloud. Full-size galaxies almost always harbor huge cen...

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2018-05-16 06:12:22



Today's Top Science Headline --"Rise & Fall of Roman Empire Captured in Greenland's Ice Cap"  

  Two thousand years ago, the Romans smelted precious ores in clay furnaces, extracting silver and belching lead into the sky. Some of that lead settled on Greenland's ice cap and mixed in with ever-accumulating layers of ice. Now, scientists studying annual deposits of those ice layers have found that spikes and dips in lead pollution during the Roman era mirror the timing of many historical events, including wars fought by Julius Caesar. The level of detail is "astounding,...

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2018-05-15 10:02:29



Today's "Planet Earth Report" -Shark Cafe to The Lost City: Marine Protected Areas --'What's Needed to Prevent Mass Extinction of Marine Life'  

      World's scientific community propose what's to protect the planet's oceans, as the United Nations prepares a treaty. Scientists say that at least 30% of the global ocean, distributed evenly between ocean ecosystems, should be cordoned off to avoid a mass extinction of marine life. On paper, almost 7% of the ocean is now protected: in the past 3 years, 13 of the world's largest Marine Protected Areas (MPAs), all more than 100,000 square kilometers in area, have been ...

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2018-05-15 09:16:32



"Deadly!" --Astronomers Discover Fastest-Growing Black Hole: 20 Billion Suns, Outshines an Entire Galaxy  

  "If this monster was at the center of the Milky Way it would likely make life on Earth impossible with the huge amounts of x-rays emanating from it," said Christian Wolf with the Australia National University Research School of Astronomy and Astrophysics. Astronomers have found the fastest-growing black hole known in the Universe, describing it as a monster that devours a mass equivalent to our sun every two days. The team looked back more than 12 billion years to the early dark

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2018-05-15 07:12:36



Homo Naledi, Newly Discovered Species --"Maybe We've Had the Story of Human Evolution Wrong the Whole Time"  

    In 2017, geologists demonstrated that this species, Homo naledi, existed in southern Africa between 236,000 and 335,000 years ago--potentially the same time that modern humans first emerged in Africa. This is a puzzle to scientists, who long held that there was only one species in Africa at this late time period - Homo sapiens. How did this species exist alongside others with brains three times its size? The new study suggests that naledi's behavior may have reflected the sha

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2018-05-15 06:35:30



Milky Way's Black Hole Swarms to Geysers on Europa --Amazing Discoveries Found Buried in Old Spacecraft Data     

  Earlier this year, astronomers stumbled upon a fascinating finding: thousands of black holes likely exist near the center of our galaxy. The X-ray images that enabled this discovery weren't from some state-of-the-art new telescope. Nor were they even recently taken - some of the data was collected nearly 20 years ago by NASA's Chandra X-Ray Observatory. The researchers discovered the black holes by digging through old, long-archived data. Astronomers have long looked for up to...

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2018-05-14 09:23:41



Last Week's Top 5 Space & Science Headlines  

    "Searching for Signatures of Technological Civilizations" --Stephen Hawking's 'Breakthrough Listen' Vastly Expands Its Ability to Scan the Milky Way Hubble Astronomers Observe Birth of a Massive Solar System Planet Earth Report' --'One of the World's Most Famous Biologists Wants to Reverse Aging in Dogs, Then Humans' "Game Changer" --Earth's Orbit Shifts Every 405,000-Years: 'Cycle Provides New Insights Into Dinosaur Evolution and Climate Change' Decoding

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2018-05-14 06:30:06



Our Strange Universe --"We Need a New Law of Physics to Explain Its Paltry Amount of Dark Energy"  

    "The formation of stars in a universe is a battle between the attraction of gravity, and the repulsion of dark energy," said Richard Bower at Durham University's Institute for Computational Cosmology. "We have found in our simulations that universes with much more dark energy than ours can happily form stars. So why such a paltry amount of dark energy in our Universe? I think we should be looking for a new law of physics to explain this strange property of our Universe, and t

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2018-05-14 06:13:46



Today's Top Space Headline --"Aliens and Strange Universes"  

        "Just because there's life elsewhere doesn't mean that there is intelligent life. My guess is that if we do detect an alien intelligence, it will be nothing like us. It will be some sort of electronic entity." The following is an extraordinary interview at Trinity College, Cambridge with Martin Rees, Emeritus Professor of Cosmology and Astrophysics at the University of Cambridge, also the Astronomer Royal, a member of Britain's House of Lords, and a fo...

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2018-05-13 11:07:15



Today's Top Science Headine --Scientists Growing 'Mini-Brains' Using Neanderthal DNA to "See If Something is Hidden That Sets Us Apart"  

    "We want to know whether among those things, is there something hiding there that really sets us apart?" said Svante Pääbo, director of the genetics department at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany where the experiments are being performed. "Is there a biological basis for why modern humans went on to become millions and eventually billions of people, spread across the world and have culture?" "We're seeing if we can find...

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2018-05-12 09:08:55



"The Marcopter" --NASA is Sending a Helicopter to the Red Planet for 'A Birdseye View' (VIDEO)  

  "The ability to see clearly what lies beyond the next hill is crucial for future explorers," said Thomas Zurbuchen, Associate Administrator for NASA's Science Mission Directorate at the agency headquarters in Washington. "We already have great views of Mars from the surface as well as from orbit. With the added dimension of a bird's-eye view from a 'marscopter,' we can only imagine what future missions will achieve." The Mars Helicopter, a small, autonomous rotorcra...

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2018-05-12 08:22:48



Today's 'Planet Earth Report' --'One of the World's Most Famous Biologists Wants to Reverse Aging in Dogs, Then Humans'  

    The prolongation of human lifespan is "the biggest thing that is going to happen in the 21st century," says David Sinclair, a Harvard biologist. "It's going to make what Elon Musk is doing look fairly pedestrian." The world's most influential synthetic biologist, George Church of Harvard Medical School, is behind a new company that plans to rejuvenate dogs using gene therapy. If it works, he plans to try the same approach in people, and he might be one of the fir...

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2018-05-11 12:55:00



Decoding Alien Intelligence --"The Search for Life as We Don't Know It"  

    In early 2018, astronomers, neuroscientists, anthropologists, AI researchers, historians and others gathered for a "Decoding Alien Intelligence" workshop at the SETI Institute in Silicon Valley. Astrobiologist Nathalie Cabrol organized the workshop around her 2016 paper "Alien mindscapes," where she calls for a new SETI road map and a long-term vision for "the search for life as we do not know it." In her paper, Cabrol, director of the Carl Sagan Institute, asks how SETI can

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2018-05-11 05:49:25



Today's "Planet Earth Report" --Hawaii's Kilauea, Longest-Erupting Volcano, Next to Eject 12-Ton Boulders  

    "If an explosion happens, there's a risk at all scales," said Donald Swanson, a USGS volcanologist. "If you're near the crater, within half a mile, you could be subject to ballistic blocks weighing as much as 10 or 12 tons." If you're within several miles, you could be within range of smaller rocks the size of marbles, he said, and 20 miles downwind "you would see fine ash floating from the sky like snow." The ongoing surge in volcanic activity on Hawaii'...

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2018-05-10 11:11:38



Today's Top Space Headline --"U.S. Congress Spurs NASA to Search for Aliens"  

  The space agency hasn't funded the search for extraterrestrial intelligence for 25 years. Could that soon change? "Seti is not the search for extraterrestrial intelligence. We can't define intelligence, and we sure as hell don't know how to detect it remotely," said astronomer Jill Tarter, SETI project scientist. SETI "is searching for evidence of someone else's technology. We use technology as a proxy for intelligence." In October 1992, astronomers kicked off an a...

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2018-05-10 07:19:28



NASA Exoplanet Scientists --"Earth-Like Seasons to Reveal Alien Life"  

    "We are particularly excited about the prospect of characterizing oxygen fluctuations at the low levels we would expect to find on an early version of Earth," said Timothy Lyons, a professor of biogeochemistry in University of California, Riverside and director of the Alternative Earths Astrobiology Center. "Seasonal variations as revealed by ozone would be most readily detectable on a planet like Earth was billions of years ago, when most life was still microscopic and ocean

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2018-05-10 06:35:53



Today's "Planet Earth Report" --'Molten Fire' -Hawaii's Otherwordly Lava  

    There is something remarkable about the lava spurting out of Kilauea, the miles-wide shield volcano on Hawaii's Big Island that fissured anew last week. It cuts across roads, forming berms of black and smoldering rock. It bursts from the ground, dancing like bubbles above a cauldron. In one video, it creeps across the land and then devours a Ford Mustang.   So far, the lava has destroyed 35 structures in total, including 25 homes, continues Robinson Meyer in today's...

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2018-05-09 09:13:22



Today's Top Space Headline --Gaia Reveals Invading Star from Another Galaxy Hurtling Through the Milky Way  

  Last week, Ken Shen, an astrophysicist at the University of California, Berkeley —the collaboration behind the European Space Agency's Gaia satellite(map 2 above) released a data set containing the motions, and much more, for 1.3 billion stars, reported the discovery of three white dwarfs —the dying embers of sunlike stars—hurtling through the galaxy at thousands of kilometers per second, perhaps flung out from supernovae explosions. Other groups were also quick off the ma...

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2018-05-09 08:06:35



"A Weirdo" --Carbon-Rich Asteroid: Relic of the Primordial Solar System Detected  

    "It's like observing a giant mountain of coal against the pitch-black canvas of the night sky," says co-author Thomas Puzia from the Pontificia Universidad Católica de Chile. An international team of astronomers has used ESO telescopes to investigate a relic of the primordial Solar System. The team found that the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the first of its kind to be confirmed in the cold outer reaches of the Solar System. This curious o...

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2018-05-09 07:18:08



Hubble Astronomers Observe Birth of a Massive Solar System (Today's Most Popular)  

    Though long hypothesized, the first evidence for a debris disk forming a new planetary system around any star was uncovered in 1983 with NASA's Infrared Astronomical Satellite. Later photographs revealed an edge-on debris disk around the southern star Beta Pictoris. In the late 1990s, Hubble's second-generation instruments, which had the capability of blocking out the glare of a central star, allowed many more disks to be photographed. Now, such debris rings are thought to be

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2018-05-09 06:52:25



"The Great Survivor" --78,000 Year Old Cave Discovery Highlights Human Species' Survival Strategies  

    An international, interdisciplinary group of scholars working along the East African coast have discovered a major cave site which records substantial activities of hunter-gatherers and later, Iron Age communities. Detailed environmental research has demonstrated that human occupations occur in a persistent tropical forest-grassland ecotone, adding new information about the habitats exploited by our species, and indicating that populations sought refuge in a relatively stable

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2018-05-09 05:58:57



"Searching for Signatures of Technological Civilizations" --Stephen Hawking's 'Breakthrough Listen' Vastly Expands Its Ability to Scan the Milky Way   

  'With these new capabilities, we are scanning our galaxy in unprecedented detail,' said Danny Price, Parkes Project Scientist with the Breakthrough Listen project at UC Berkeley. 'By trawling through these huge datasets for signatures of technological civilizations, we hope to uncover evidence that our planet, among the hundreds of billions in our galaxy, is not the only where intelligent life has arisen.' Breakthrough Listen - the initiative to find signs of intelligent ...

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2018-05-08 07:22:40



"Gigantic and Completely Unexpected" --New Solar Discovery: Waves Similar to Those Controlling Weather on Earth   

  An international team of scientists have discovered planetary waves of vorticity on and inside the Sun similar to those that significantly influence weather on Earth. Known as Rossby waves, they are a natural phenomenon in the atmospheres and oceans of planets that form in response to the rotation of the planet. Like Earth, the Sun also rotates and should support Rossby waves, but their existence on the Sun has been debated, until now. "There's no doubt what we're seeing are Rossby w

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2018-05-08 06:15:03



"Game Changer" --Earth's Orbit Shifts Every 405,000-Years: 'Cycle Provides New Insights Into Dinosaur Evolution and Climate Change'  

    Scientists drilling deep into ancient rocks in the Arizona desert say they have documented a gradual shift in Earth's orbit that repeats regularly every 405,000 years, playing a role in natural climate swings. Astrophysicists have long hypothesized that the cycle exists based on calculations of celestial mechanics, but the authors of the new research have found the first verifiable physical evidence. They showed that the cycle has been stable for hundreds of millions of years

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2018-05-08 05:31:07



Death of Our Sun --"Will Morph Into a Massive Luminous Ring Nebula for 10,000 Years"  

    Scientists agree the sun will die in approximately 10 billion years, but they weren't sure what would happen next... until now. A team of international astronomers, including Professor Albert Zijlstra from the University of Manchester, predict it will turn into a massive ring of luminous, interstellar gas and dust, known as a planetary nebula. A planetary nebula marks the end of 90% of all stars active lives and traces the star's transition from a red giant to a degenerate w

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2018-05-07 11:56:51



Cloudless Exoplanet Discovered --"A Pivotal Breakthrough"  

    Scientists have detected an exoplanet atmosphere that is free of clouds, marking a pivotal breakthrough in the quest for greater understanding of the planets beyond our solar system. An international team of astronomers, led by Dr Nikolay Nikolov from the University of Exeter, have found that the atmosphere of the 'hot Saturn' WASP-96b is cloud-free using Europe's 8.2m Very Large Telescope in Chile,. The team studied the atmosphere of WASP-96b when the planet passed in front

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2018-05-07 08:46:54



Why Mars Isn't a Larger, Habitable Planet Like Earth --"Gas Giants the Suspects"  

  An astrophysics team explained why the growth of Mars was stunted by an orbital instability among the outer solar system's giant planets in a new study on the evolution of the young solar system. The study builds on the widely-accepted Nice Model, which invokes a planetary instability to explain many peculiar observed aspects of the outer solar system. A University of Oklahoma model used computer simulations to show how planet accretion (growth) is halted by the outer solar sy

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2018-05-07 06:48:29



Last Week's Top 5 Space & Science Headlines  

    The Alien Observatory: Ancient Stars 6-9 Billion Years Old in Milky Way's Halo --"May Harbor Advanced Civilizations" "Maybe We're Going About It All Wrong" --Behavior of Galaxies and Clusters Don't Fit Predictions of General Relativity South Atlantic Anomaly --The Bermuda Triangle of Space: "A Sign of Imminent Reversal of the Earth's Magnetic Poles?" "The Smoking Gun" --Stephen Hawking's Last Great Theory On the Origin of the Universe  Gaia Mission --"Some...

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2018-05-07 06:22:50



The Exoplanet Revolution --"May Reveal Artifacts of Extinct Civilizations" (Weekend Feature)  

  The "exoplanet" revolution of the last 20 years has shown us that the universe is awash in alien worlds. More exciting, we now have methods where the atmospheres of those worlds may provide indirect evidence — called "bio-signatures" — for the existence of life. "Its possible that when we survey planets we may find artifacts of dead civilizations that aren't around anymore," said Harvard astrophysicist Avi Loeb. "We humans are probably not special," Loeb added, explaining that ...

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2018-05-06 06:09:26



TESS Launches New Era of Exoplanet Discovery --"Zooming in on Alien Life" (WATCH Video)  

    MIT's Sara Seager previews a new era of discovery as a leader of the TESS mission, which is expected to find some 20,000 extrasolar planets. Ever since scientists discovered the first planet outside of our solar system, 51 Pegasi b, the astronomical field of exoplanets has exploded, thanks in large part to the Kepler Space Telescope. Now, with the successful launch of the Transiting Exoplanet Survey Satellite (TESS), Sara Seager, deputy science director of TESS, an MIT-led NA

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2018-05-05 11:38:25



Stellar Invasion --"70,000 Years Ago Our human Ancestors Saw Its Faint Reddish Light" (Weekend Feature)   

  About 70,000 years ago, at a time when modern humans were beginning to leave Africa and the Neanderthals still thrived, a small, reddish star approached our solar system entering the Oort Cloud and gravitationally disturbed comets and asteroids. The object is Scholz's star—named after the German astronomer who discovered it—approached less than a light-year from the sun. Today, it is almost 20 light-years away, but 70,000 years ago, it entered the Oort cloud, a reservoir of trans-N...

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2018-05-05 06:30:26



WATCH LIVE Launch Week of Mars' InSight: 1st Planetary Mission to Take Off from West Coast  

  InSight, the first planetary mission to take off from the West Coast, is targeted to launch at 4:05 a.m. PDT (7:05 a.m. EDT) from Space Launch Complex-3 at Vandenberg Air Force Base in California aboard a United Launch Alliance (ULA) Atlas V rocket.       Most Popular Space & Science Headlines Stephen Hawking's Great Question --"Why Isn't the Milky Way Crawling With Mechanical or Biological Life?" "Alien Minds" --'Artificial Intelligence Is Already Out Th

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2018-05-05 05:35:01



Today's "Planet Earth Report" --Two Mountaineers Recreate NASA's Twin Study on Mount Everest  

    The most intriguing early results suggest Scott Kelly experienced changes in the expression of thousands of genes; earlier this year, NASA reported that 7% of them—related to immune function, DNA repair, bone formation, and his body's response to insufficient oxygen and abnormally high carbon dioxide levels in the blood—remained some 6 months after his return to Earth. But those changes can't be directly attributed to life in orbit, continues Sciencemag.org, they cou...

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2018-05-04 10:28:47



New Insights --Into the Complexity of the Human Brain  

    Indeed, the cerebral cortex in the human brain, which is accountable for high cognitive functions such as language, memory and movement, contains approximately 16 billion neurons - the cerebral cortex of a mouse contains around 14 million neurons. Similarly, the brain of a mouse weighs around 400 mg whereas a human brain weighs roughly 1,500,000 mg. The superior size and complexity of the human brain compared to other mammals may actually originate from fewer initial startin

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2018-05-04 08:09:46



Today's Top Science Headline: “Maybe We're Going About It All Wrong” --Behavior of Galaxies and Clusters Don't Fit Predictions of General Relativity   

  For decades, astronomers have noticed that the behavior of galaxies and galaxy clusters doesn't seem to fit the predictions of general relativity. Dark matter is one way to explain that behavior. Likewise, the accelerating expansion of the universe can be thought of as being powered by a dark energy.  "The business of alternative gravity theories is a messy one,"  said said Anne Archibald, an astrophysicist at the University of Amsterdam. "Some would-be rep...

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2018-05-04 06:13:33



The Alien Observatory: Ancient Stars 6-9 Billion Years Old in Milky Way's Halo --"May Harbor Advanced Civilizations"  

    The Milky Way is nearly 14 billion years old, and its oldest stars developed in the early stage of the galaxy's formation, making them about six to nine billion years old. They're found in the halo, a roughly spherical component of the galaxy that formed first, in which old stars move in orbits that are highly elongated and tilted. "Finding old stars could also lead to the discovery of new planets. Maybe we can find some ancient civilizations around these old stars," said Dr

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2018-05-03 08:32:28



Today's Top Science Headline --"Language of Cells May Have Evolved Billions of Years Ago from Viruses"  

    "Cell-cell communication is one of the most ancient mechanisms that makes us who we are," said Leonid Margolis, a Russian-born virologist at the National Institutes of Health. "Since vesicles resemble viruses, the question of course is whether the first extracellular vesicles were primitive viruses and the viruses learned from extracellular vesicles or vice versa." Whether cells started using vesicles for communication first and viruses copied them, or cells stole th...

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2018-05-03 06:48:22



After a Decade of Searching, Hubble Spacecraft Reveals Helium Billowing Out of a Gas Giant  

    For the first time astronomers have spotted helium on a planet beyond the Solar System, after more than a decade of searching, opening new possibilities for probing the atmospheres that enshroud distant worlds, says Jessica Spake, an exoplanet astronomer at the University of Exeter, UK. Helium is the second most abundant element in the Universe, after hydrogen, reports Nature. It's also common in gas-giant planets such as Jupiter and Saturn, and theorists have predicted th...

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2018-05-03 06:13:07



Species of Microbes Living in a Toxic Volcanic Lake --"Hint at Ancient Life on Mars"  

    A research team led by University of Colorado Boulder's Brian Hynek, braved second-degree burns, sulfuric acid fumes and the threat of eruptions to collect samples of water from the aptly-named Laguna Caliente. Nestled in Costa Rica's Poas Volcano, this body of water is 10 million times more acidic than tap water and can reach near boiling temperatures. It also resembles the ancient hot springs that dotted the surface of early Mars, Hynek said. To search for living organism...

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2018-05-02 06:39:58



"The Smoking Gun" --Stephen Hawking's Last Great Theory On the Origin of the Universe  

    "We predict that our universe, on the largest scales, is reasonably smooth and globally finite. So it is not a fractal structure," said Hawking. Professor Stephen Hawking's final theory on the origin of the universe, which he worked on in collaboration with Professor Thomas Hertog from KU Leuven, which was submitted for publication before Hawking's death earlier this year, is based on string theory and predicts the universe is finite and far simpler than many current theorie

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2018-05-02 06:08:48



"Mercury Rising" --Is to Earth-Based Mass Extinction What Iridium is to Extraterrestrial Ones"  

    In other mass extinctions, elevated mercury has been closely linked to big-time volcanic episodes. In fact, points out geologist Grzegorz Racki, mercury has become to Earth-based catastrophes what iridium is to extraterrestrial-based ones. "Mercury as a geochemical fingerprint of volcanism appears decisive in the new stage of mass extinction studies," he says. "Now we can say that all of the 'Big Five' mass extinctions coincide with major volcanic events," adds co-author Pau

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2018-05-01 11:24:12



From the Farside --James Cameron's 'Story of Science Fiction': "How We Would Communicate With Intelligent Alien Life"  

    The Series Premiere of James Cameron's Story of Science Fiction focused on aliens in science fiction. As a linguist, Paul Frommer, the linguist who created the Na'vi language in James Cameron's Avatar, was interviewed and asked if Earth were visited by "intelligent" alien life, what do you think our first steps to establishing communication with them would be? A: That's a really, really hard question. [Laughs] Of course, different science fiction films have gone ...

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2018-05-01 10:52:08



NASA Readies Launch of Insight --"A Scientific Time Machine to Explore Mars' Deepest Secrets"  

  "In some ways, InSight is like a scientific time machine that will bring back information about the earliest stages of Mars' formation 4.5 billion years ago," said JPL's Bruce Banerdt, principal investigator. "It will help us learn how rocky bodies form, including Earth, its moon, and even planets in other solar systems." According to Banerdt, the data that the Insight spacecraft will collect will "prime NASA on all the geological processes" that have persisted on Mars for the past b

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2018-05-01 08:45:09



South Atlantic Anomaly --The Bermuda Triangle of Space: "A Sign of Imminent Reversal of the Earth's Magnetic Poles?"  

    Earth's magnetic field is in a state of dramatic weakening - and according to new research, this phenomenal disruption is part of a pattern lasting for over 1,000 years. Earth's magnetic field doesn't just give us our north and south poles; it's also what protects us from solar winds and cosmic radiation - but this invisible force field is rapidly weakening, to the point scientists think it could actually flip, with our magnetic poles reversing. The last reversal of the ...

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2018-05-01 06:41:02



New Theories --Early Earth Evolved from Endless Eruptions of Volcanoes Like Jupiter's Io to a World of Plate Tectonics  

    "Our solution is pretty simple," says Louis Moresi, from the University of Melbourne. "During the transition to plate-tectonics, the Earth goes through this complete overturn. It has stored up a lot of energy for a billion years or so, and then it's all released in a short period. "And that doesn't repeat, because once plate tectonics starts it's a different paradigm and you don't build up that stress again. So in one action you create these incredibly strong rocks that then

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2018-05-01 05:57:02



James Cameron's Story of Science Fiction --ALIENS --Season 1, Episode 1 PREMIERES TONIGHT 10/9C (WATCH Video)  

  From its earliest days, science fiction has asked whether or not we're alone in the universe. Steven Spielberg, Ridley Scott, Sigourney Weaver and others ponder the question: What can aliens teach us about ourselves? Watch Here.                  

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2018-04-30 18:29:53



Gaia Mission --"Something Sent Powerful Ripples Through Our Galaxy 300-900 Million Years Ago"  

    Since the Gaia Spacecraft's second massive data drop last week, scientists have released over 30 new research papers in just two days following the announcement. One especially intriguing paper describes the possibility that a powerful gravitational force sent ripples through our galaxy, like a stone into a pond, between 300 million and 900 million years ago that might have been due to a close approach from the Sagittarius Dwarf Galaxy orbiting the Milky Way around 70,000 lig

what do you think?

2018-04-30 12:06:04



Star Creation --"May Not Be the Same Everywhere in the Milky Way"  

  The mass distribution of young stars may not be the same everywhere in our Galaxy, contrary to what is currently assumed. If this turns out to be the case, the scientific community will be forced to re-examine its calculations about star formation and, eventually, any estimates that depend on the number of massive stars, such as the chemical enrichment of the interstellar medium, and the numbers of black holes and supernovas. In space, hidden behind the dusty veils of nebulae, clouds

what do you think?

2018-04-30 10:24:56



Today's "Planet Earth Report" --Technology's 'Golden Future' --Superhuman Intelligence or Immense Human Suffering?  

Technology evangelists dream about a future where we're all liberated from the more mundane aspects of our jobs by artificial intelligence. Other futurists go further, imagining AI will enable us to become superhuman, enhancing our intelligence, abandoning our mortal bodies, and uploading ourselves to the cloud. Paradise is all very well, continues Thomas Hornigold in Singularity Hub, although your mileage may vary on whether these scenarios are realistic or desirable. The real questi...

what do you think?

2018-04-30 06:53:43



Last Week's Top 5 Space & Science Posts  

  Biology or Geology? --"Scientists Soon to Find Out Why Methane, a Possible Signature of life, is Being Released on Mars"  "Some 4 Billion Years Ago Earth was Infected By Life Milky Way May Harbor Several Supermassive Black Holes That Roam the Galaxy Unlocking Secrets of the Milky Way --Gaia's One-Billion Star Map Redefining Astronomy: "No One Knows What We'll Find "Unlike Anything We Expected" --Scientists Detect Enigmatic Radio Signal from Cosmic Dawn   ...

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2018-04-30 06:02:57



Today's Top Space Headline: Beyond Our Universe --"There are Regions of the Cosmos That Differ From What We See Locally"  

    For me, at least, says John Donoghue, theoretical physicist at the University of Massachusetts at Amherst, the multiverse is the idea that physically out there, beyond where we can see, there are portions of the universe that have different properties than we see locally. We know the universe is bigger than we can see. We don't know how much bigger. So the question is, is it the same everywhere as you go out or is it different? A multiverse of realms with different ground ...

what do you think?

2018-04-29 08:51:36



China's New FAST Radio Telescope -World's Largest- Makes Breakthrough Discovery  

    "This discovery demonstrated the great potential of FAST in pulsar searching, highlighting the vitality of the large aperture radio telescope in the new era," said Kejia Lee, scientist at the Kavli Institute of Astronomy and Astrophysics, Peking University. China's Five-hundred-meter Aperture Spherical radio Telescope(FAST), discovered a radio millisecond pulsar (MSP) coincident with the unassociated gamma-ray source 3FGL J0318.1+0252 in the Fermi Large Area Telesc...

what do you think?

2018-04-29 05:49:52



Today's Top Science Headline --"Some 4 Billion Years Ago Earth was Infected By Life"  

    Because life happened to Earth, its atmosphere, surface, and planetary crust have been profoundly altered again and again for some 4 billion years. Billions of years ago microbial life built an oxygen-rich atmosphere. There are signs that part of that process may have helped plunge Earth into a 'snowball' state - a period of profoundly cooler global climate for hundreds of millions of years. Ocean chemistry has been reworked by life. Cloud formation is influenced by bio...

what do you think?

2018-04-28 07:45:01



NASA Scientists Seek Fossils of Ancient Mars' Life --"Was There a Common Ancestor? Maybe We're All Martians"  

    NASA scientists must be prepared to look for fossil evidence of bacterial life on Mars dating back three billion years when most of its atmosphere and possibly existing life vanished in the solar wind. Fossils of early bacterial life more than 3.5 billion years ago have been found on Earth. If similar life ever existed on Mars, NASA has a chance of finding a fossil record of it. Researchers at the University of Cincinnati are atempting to help scientists put to rest one of o

what do you think?

2018-04-28 06:02:26



Today's "Planet Earth Report" --'Collective Narcissism' is Creating a Nation of Conspiracy Theorists: Flat Earther's to Trump is a Genius  

    QAnon, is an expansive, complicated pro-Trump conspiracy theory, fascinating as an artifact of our current political derangement, but more than that, it's profoundly revealing about the lengths to which some Trump supporters will go to convince themselves that his presidency is going well.   As Paris Martineau explained in New York Magazine, QAnon was born last October, when someone claiming to have "Q" level security clearance started a cryptic thread on 4chan,...

what do you think?

2018-04-27 09:19:31



"Unlike Anything We Expected" --Scientists Detect Enigmatic Radio Signal from Cosmic Dawn (Today's Top Space Headline)  

    As teams of observers try to replicate those findings in the few places on Earth that are relatively undisturbed by radio interference, theorists are struggling to make sense of the signal. "The signal does not look like anything we expected", says Abraham Loeb, an astrophysicist at Harvard University in Cambridge, Massachusetts. Researchers are heading to some of the most remote spots on Earth — from the Tibetan Plateau to an island in the sub-Antarctic ocean — to t...

what do you think?

2018-04-27 07:58:15



Today's Top Science Headline: "100th Meridian" --Arid Dry Climate of Western U.S. Shifting Eastward  

    "People have lived in these regions for millennia, and we've developed over time different ways to deal with droughts when they do occur," says Benjamin Cook, a climate scientist at NASA Goddard Institute for Space Studies. "The only potential losing prospect is just to pretend that this is not going to be an issue." Geologist and explorer John Wesley Powell was the first scientist known to have conceptualized the east/west climate divide in the mid-19th century...

what do you think?

2018-04-27 06:20:31



"Life!" --Scientists Reveal How an Entire Organism Emerges from a Single Solitary Cell  

    Whether a worm, a human or a blue whale, all multicellular life begins as a single-celled egg. From this solitary cell emerges the galaxy of others needed to build an organism, with each new cell developing in the right place at the right time to carry out a precise function in coordination with its neighbors. This feat is one of the most remarkable in the natural world, and despite decades of study, a complete understanding of the process has eluded biologists. Now, in thre

what do you think?

2018-04-27 05:47:33



"Deep Dive" --Scientists Probe Interiors of Super-Earth Exoplanets  

  By aiming intense X-ray beams at iron samples, scientists have discovered what may lie at the core of "super-Earths," rocky planets triple the mass of Earth orbiting far-distant stars. The team, led by Johns Hopkins University and Princeton University scientists, was the first to simulate, if only for the briefest of moments, the deep interiors of these exoplanets, offering revealing insight into what previously had been limited to extrapolations and theoretical calculations. The r

what do you think?

2018-04-26 10:58:09



Today's Planet Earth Report" --"There is No Planet B" -French President Macron Challenges Trump's "Insane" Policies (WATCH Video)  

    "What is the meaning of our life if we [are] destroying the planet while sacrificing the future of our children?" the French president asked. "Let us face it. There is no planet B." Emmanuel Macron conceded he had probably failed in his attempt during a three-day trip to Washington to persuade Donald Trump to stay in the Iran nuclear deal, describing US flip-flopping on international agreements as "insane," reports today's Guardian. The French president had hope...

what do you think?

2018-04-26 07:49:45



"We are Far from Understanding the Brain of Prehistoric Humans" --Neanderthals Reveal Subtle Clues  

    Scientists have for the first time set eyes on a three-dimensional Neanderthal brain in the form of a virtual model made to fit the empty, fossilized skulls of long-dead individuals, a study said Thursday. The reconstructed organ confirmed earlier observations, based more loosely on head size and shape, that Neanderthals had a larger brain than their early Homo sapiens cousins, but with a smaller cerebellum—the lower part near the spine that controls balance and movement. I...

what do you think?

2018-04-26 06:52:13



"Ingredients for Life in the Universe" --Detected in Pillars of Creation  

  "You just need the right combination of ingredients," said physicist Michael Huels. "These molecules can combine, they can chemically react, under the right conditions, to form larger molecules which then give rise to the bigger biomolecules we see in cells like components of proteins, RNA or DNA, or phospholipids." In a laboratory experiment that mimics astrophysical conditions, with cryogenic temperatures in an ultrahigh vacuum, scientists used an electron gun to irradiate thin

what do you think?

2018-04-26 05:59:55



"Cosmic Mashup Near the Beginning of Time!" --14 Spectacular Primordial Galaxies Observed in Colossal Collision  

    "The fact that this is happening so early in the history of the universe poses a formidable challenge to our present-day understanding of the way structures form in the universe," said Scott Chapman, an astrophysicist at Dalhousie University in Halifax, Canada. "How this assembly of galaxies got so big so fast is a bit of a mystery, it wasn't built up gradually over billions of years, as astronomers might expect," said Tim Miller, a doctoral candidate at Yale University and

what do you think?

2018-04-25 10:57:43



Unlocking Secrets of the Milky Way --Gaia's One-Billion Star Map Redefining Astronomy: “No One Knows What We'll Find"  

  "No one in the world knows what we'll find," says cosmologist David Hogg of New York University. "The observations collected by Gaia are redefining the foundations of astronomy," adds Günther Hasinger, ESA Director of Science. "It's like waiting for Christmas," said Vasily Belokurov, an astronomer at the University of Cambridge in the United Kingdom last week. Today, reports Science, "the gifts arrived: the exact positions, motions, brightnesses, and colors of 1.3 bill...

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2018-04-25 07:22:06



Milky Way May Harbor Several Supermassive Black Holes That Roam the Galaxy  

  "We estimate that a close approach of one of these wanderers that is able to affect our solar system should occur every 100 billion years or so, or nearly 10 times the age of the universe." In a new study published in the Astrophysical Journal Letters, researchers from Yale, the University of Washington, Institut d'Astrophysique de Paris, and University College London predict that galaxies with a mass similar to the Milky Way should host several supermassive black holes.The team used

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2018-04-24 13:18:43



Today's "Planet Earth Report" --MIT's Technology Review Sees Three Ways Bitcoin Could Be Brought Down, Co-opted, or Made Irrelevant  

  Bitcoin's early adopters have held fast to the dream of a single world currency that is private, free for all to use, and under the control of the masses. But the seven billion people not yet using Bitcoin might not care about any of that. With networks, convenience wins, and convenience is based on size. It's the reason you're on Facebook rather than some other social-media site—because everyone else is. If cryptocurrencies are to be widely used, it will be the habits of th...

what do you think?

2018-04-24 10:21:07



Biology or Geology? --"Scientists Soon to Find Out Why Methane, a Possible Signature of life, is Being Released on Mars" (WATCH Video)  

    "We didn't expect methane to be on Mars, and it shouldn't be variable unless there is an active source and a vigorous sink," says Bethany Ehlmann, a planetary scientist at the California Institute of Technology in Pasadena. For more than a year, reports today's Nature, a 3.5-ton spacecraft has been circling Mars in a series of erratic loops. Now, after 1,000 circuits, the Trace Gas Orbiter (TGO) has reached the ideal position to study the planet's atmosphere, and h...

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2018-04-24 07:53:49



"Unveiled" --Secret Law of Galaxy Clusters  

    "The law is so simple that we can use it to calibrate cluster mass-observable relations, which are a key ingredient for studying the cosmological laws of the Universe. Our research draws us closer to explaining the evolutionary history of clusters and the Universe," said Yutaka Fujita at Osaka University. An international collaboration between Fujita and researchers from Taiwan, Italy, Japan, and the United States found a new fundamental law that stipulates the evolution of

what do you think?

2018-04-24 07:12:28



From the Farside --"Supermassive Black Holes May Harbor Advanced Civilizations"  

    "We hypothesize that the advanced civilizations may live safely inside the supermassive black holes in the galactic nuclei being invisible from the outside," said Russian cosmologist Vyacheslav Vyacheslav Dokuchaev at Moscow's Institute for Nuclear Research and the Russian Academy of Sciences. Astronomers report that they have discovered the most gigantic black holes ever found in the universe, an abyss 10 times the size of our solar system, encompassing regions or "event ho

what do you think?

2018-04-24 06:30:49



Today's Top Science Headline --"There is No Past or Future" (WATCH Video)  

  The smooth "flow" of time is an illusion, that "The events of the world do not form an orderly queue like the English, they crowd around chaotically like the Italians," says Carlo Rovelli, an Italian theoretical physicist who wants to make the uninitiated grasp the excitement of his field. The concept of time, he says, "has lost layers one after another, piece by piece". We are left with "an empty windswept landscape almost devoid of all trace of temporality … a wo...

what do you think?

2018-04-23 10:46:54



The Milky Way --"Still Growing at 13-Billion Years"   

"Our Milky Way is more than 13 billion years old, so it is not young anymore, but the galaxy still has both a central bulge of old stars and spiral arms of young stars," said Matthew Colless from Australia National University. A new international study involving The Australian National University (ANU) and The University of Sydney has found that galaxies grow bigger and puffier as they age. Co-researcher Professor Matthew Colless from ANU said that stars in a young galaxy moved in an or

what do you think?

2018-04-23 09:29:57



Totally Different DNA Structure Identified --"It's DNA, But Not as We Know It"  

    "When most of us think of DNA, we think of the double helix," says Associate Professor Daniel Christ (Head, Antibody Therapeutics Lab, Garvan) who co-led the research. "This new research reminds us that totally different DNA structures exist - and could well be important for our cells." In a world first, Australian researchers have identified a new DNA structure - called the i-motif - inside cells. A twisted 'knot' of DNA, the i-motif has never before been directly seen

what do you think?

2018-04-23 08:34:00



Last Week's Top 5 Space & Science Headlines  

    "We'll Find Planets of a Kind Never Seen Before" 100,000-year-Old Hashtag: "The First Human Symbol?" "We Truly Don't Know What It Is" --Mystery Milky-Way Spectrum of Light Observed It's About Expanding Earth! Over the Next 10 Years, Space Will Become an Industrial Zone Filled with Orbiting Factories" Z-Machine --World's Most Powerful X-ray Source "Will Create a White-Dwarf Star on Earth"         

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2018-04-23 07:15:10



Today's "Planet Earth Report" --Humans are Driving Large Mammals to Extinction  

    "They have evidence that hominids in Africa had already been impacting the size distribution of mammals on that continent before Homo sapiens evolved," says paleoecologist Emily Lindsey, assistant curator and excavation site director of the La Brea Tar Pits Museum in Los Angeles, who was not involved in the study. What that means, she says, is "these groups of hominid species were having impacts on a continental scale before the evolution of modern humans." And it do...

what do you think?

2018-04-23 06:14:31



"The Weird Existence of Primordial Black Holes in the Early Universe" --Harvard-Smithsonian Center for Astrophysics  

    Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of the matter in the cosmos is dark matter, much of it located in halos around galaxies. It was dubbed dark matter because it does not emit light, but it is also mysterious: it is not composed of atoms or their usual constituents like electrons and protons. Mea

what do you think?

2018-04-22 08:44:10



"Flashback" --Carl Sagan on How We Would Communicate With Advanced Alien Life (Weekend Feature/Video)  

    If life exists elsewhere in the Universe, would we be able to communicate with it? In this clip from the 1977 Royal Institution Christmas Lecture, "The Planets", Carl Sagan demonstrates how we could send a signal that would make sense to intelligent beings that have evolved independently from us.   The Daily Galaxy via The Royal Institution        

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2018-04-21 08:24:13



Today's "Planet Earth Report"--"Sea Nomads: The Superhumans Living Among Us"  

  "I think it's fascinating to see just how extraordinary this population is, to think that they're almost like superhumans living among us with these really extraordinary capabilities. But I also think natural selection is a lot more powerful than we sometimes give it credit for, and maybe we should be looking for it in more places than we thought." The Bajau people of Southeast Asia, known as Sea Nomads, spend their whole lives at sea, working eight-hour diving shifts with traditiona

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2018-04-21 06:51:12



Today's Top Space Headline --"It's About Expanding Earth! Over the Next 10 Years, Space Will Become an Industrial Zone Filled with Orbiting Factories"  

  "Over the next 10 years, space will become an industrial zone filled with orbiting factories. Like oil platforms on the ocean, but not polluting," says entrepreneur Jason Dunn, Made In Space's co-founder and chief technology officer. "We could have structures in space so big, they could be the backbone of huge internet telecommunications antenna," Dunn says. "Or a giant space station colony, or giant arrays of solar panels. Or we could send robots to the surface of the moon, o...

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2018-04-21 06:04:33



Today's Top Science Headline --100,000-year-Old Hashtag: "The First Human Symbol?"  

    "Cave art was part of the package deal in terms of how homo sapiens came to have this very high-level cognitive processing," says Miyagawa, a professor of linguistics and the Kochi-Manjiro Professor of Japanese Language and Culture at MIT. "You have this very concrete cognitive process that converts an acoustic signal into some mental representation and externalizes it as a visual." "It's very difficult to try to understand how human language itself appeared in evolution," M

what do you think?

2018-04-20 09:12:41



Today's "Planet Earth Report" --WW 11 High-Tech Nazi Submarine Found --"On a Mysterious Mission to South America"  

Two days before the Allied forces declared victory over Nazi Germany at the end of World War II, a high-tech German submarine set out from Denmark on a mysterious mission. The sub was a brand-new Type XXI U-boat, hailed as the most advanced Nazi submarine of its time. It was deadly quiet, superfast and allegedly capable of traveling from Europe to South America without having to surface. Still, for all its cutting-edge technology, the sub was blasted to the seafloor by a British aerial

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2018-04-20 08:04:06



Cluster of Stars Harbors a Massive Mystery Source of Cosmic Rays  

  "This particular source of gamma rays was found towards an unusual cluster of stars which harbors one of the Milky Way's most massive and energetic young stars, a luminous blue variable star called LBV1806-20," says Associate Professor Gavin Rowell, from the University of Adelaide's High Energy Astrophysics Group and leader of Australia's participation in HESS -the High Energy Stereoscopic System (HESS) gamma ray telescopes in Namibia. "The cluster of stars also harbors a rare, ex

what do you think?

2018-04-20 06:39:42



From the Farside --"Prehistoric Humans May Have Performed Brain Surgery"  

    Oh, my! Humans have been performing brain surgery—or at least drilling holes in one others' skulls—for thousands of years, reports today's Science. But how did they get their practice? A new study analyzing an exquisitely bored hole in the skull of a 5000-year-old cow suggests they may have honed their skills on animals. The bovine cranium in question was found in Vendee, France, a Neolithic site that was a trade hub for salt and cattle between 3400 and 3000 B.C.E. Sci...

what do you think?

2018-04-19 09:43:23



Z-Machine --World's Most Powerful X-ray Source "Will Create a White-Dwarf Star on Earth" (WATCH Today's 'Galaxy' Stream)  

  "The really amazing thing about this research is that it changes the way astronomy has been conducted in the past," said Don Winget, the director of CAPP and a professor in the Department of Astronomy. "There were a lot of things we thought we understood, or knew we didn't understand in astrophysics. By re-creating those conditions and making real measurements in the laboratory, we're changing how we think of not only astronomy as a field, but how we think of specific as...

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2018-04-19 07:54:39



Today's "Planet Earth Report" --“A Highly Altered, Degraded System” -Since 2016, Half of All Coral in the Great Barrier Reef Has Died  

    "Once upon a time, there was a city so dazzling and kaleidoscopic, so braided and water-rimmed, that it was often compared to a single living body. It clustered around a glimmering emerald spine, which astronauts could glimpse from orbit. It hid warm nooks and crannies, each a nursery for new life. It opened into radiant, iris-colored avenues, which tourists crossed oceans to see. The city was, the experts declared, the planet's largest living structure." Then, all at once,...

what do you think?

2018-04-19 07:12:34



"The Star Killer" --Rare 'Butterfly' Galaxy with Two Supermassive Black Holes  

  While most galaxies in the universe hold only one supermassive black hole at their center, NGC 6240 contains two--and they're circling each other in the last steps before crashing together. New research reveals how gases ejected by those spiraling black holes, in combination with gases ejected by stars in the galaxy, may have begun to power down NGC 6240's production of new stars.  The team also shows how these "winds" have helped to create the galaxy's most tell-tale feat

what do you think?

2018-04-19 06:23:46



"We'll Find Planets of a Kind Never Seen Before" --SpaceX Will Launch NASA's TESS Satellite Today @6:51 PM EST (WATCH All-Day Live)  

  "One of the biggest questions in exoplanet exploration is: If an astronomer finds a planet in a star's habitable zone, will it be interesting from a biologist's point of view?" said George Ricker, TESS principal investigator at the Massachusetts Institute of Technology (MIT) Kavli Institute for Astrophysics and Space Research in Cambridge, which is leading the mission rescheduled for launch today. "We expect TESS will discover a number of planets whose atmospheric composi...

what do you think?

2018-04-18 06:33:53



Remnants Found of a Lost Planet That Once Roamed Our Solar System  

  "What we're claiming here," said Philippe Gillet, a planetary scientist at the Federal Institute of Technology in Lausanne, "is that we have in our hands a remnant of this first generation of planets that are missing today because they were destroyed or incorporated in a bigger planet." What Gillet was referring to are Fragments of a meteorite that fell to Earth about a decade ago provide compelling evidence of a lost planet that once roamed our solar system. Researchers from Switzer

what do you think?

2018-04-17 13:39:55



"We Truly Don't Know What It Is" --Mystery Milky-Way Spectrum of Light Observed 'Not Produced By Any Known Emission'  

    "We use special telescopes to catch X-ray light in the sky, and while looking at these X-rays, the telescopes noticed an unexpected feature and captured a spectrum of light, which is not produced by any known atomic emission," said University of Miami astrophysicist Nico Cappelluti. "This emission line is now called the 3.5 kiloelectron volt (keV). One interpretation of this emission line is that it's produced by the decay of dark matter." "This 3.5 keV emission line is unid

what do you think?

2018-04-17 10:45:13



"We Truly Don't Know What It Is" --Mystery Milky-Way Spectrum of Light Observed   

    "We use special telescopes to catch X-ray light in the sky, and while looking at these X-rays, the telescopes noticed an unexpected feature and captured a spectrum of light, which is not produced by any known atomic emission," said University of Miami astrophysicist Nico Cappelluti. "This emission line is now called the 3.5 kiloelectron volt (keV). One interpretation of this emission line is that it's produced by the decay of dark matter." "This 3.5 keV emission line is unid

what do you think?

2018-04-17 10:45:13



Today's Top Science Headline --Hunt for Wonder Drugs at the North Pole In a Race Against Deadly Antibiotic Resistance  

    "Sixty percent of the drugs we take today were developed from natural products, and most of those products have terrestrial sources. Currently, only seven FDA-approved pharmaceuticals in clinical use have marine sources, compared to hundreds of land-based drugs. And while scientists have isolated more than 30,000 unique organic compounds from marine organisms, they believe there are hundreds of thousands more to be found." Gathered around a white plastic table, four scientis

what do you think?

2018-04-17 09:04:45



Today's "Planet Earth Report" --SpaceX's Elon Musk Warns That AI Will Create an 'Immortal Dictator' in New Documentary 'Do You Trust This Computer'  

    "We are rapidly headed toward digital superintelligence that far exceeds any human, I think it's pretty obvious," Elon Musk said in a new AI documentary called "Do You Trust This Computer?" directed by Chris Paine (who interviewed Musk previously for the documentary "Who Killed The Electric Car?"). "If one company or a small group of people manages to develop godlike digital super-intelligence, they could take over the world." Imagine if that immortal dictator was a network o

what do you think?

2018-04-17 07:04:34






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