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RBC Signals awarded SBIR Phase I contract by US Air Force  

Seattle WA (SPX) Jun 18, 2019 RBC Signals, the multi-national provider of flexible and cost-effective space communication services, reports it is the recipient of a U.S. Air Force (USAF) Small Business Innovation Research (SBIR) Phase I award. Awarded under the topic "Commercial Solutions for Innovative Space Data Analytics", the RBC Signals award is managed out of the Space Vehicles Directorate of the Air Force Resear

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2019-06-19 11:08:53



Most Comprehensive Search for Radio Technosignatures  

New York NY (SPX) Jun 19, 2019 Breakthrough Listen - the astronomical program searching for signs of intelligent life in the universe - has submitted two publications to leading astrophysics journals, describing the analysis of its first three years of radio observations and the availability of a petabyte of radio and optical telescope data. This represents the largest release of SETI data in the history of its field. L

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2019-06-19 10:41:56



Swedish Space Corporation to introduce a new service for easy access to space  

Torggatan, Sweden (SPX) Jun 19, 2019 SSC is currently developing Esrange Space Center in northern Sweden with both new capabilities and services. A testbed for reusable rockets is currently being established, and SSC aims at launching small satellites in a couple of years. In addition, SSC is now introducing a new flight ticket service for suborbital space flights, accessible and affordable for both current and new types of custome

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2019-06-19 10:34:11



European reusable launch systems for more sustainability in spaceflight  

Braunschweig, Germany (SPX) Jun 19, 2019 The German Aerospace Center (Deutsches Zentrum fur Luft- und Raumfahrt; DLR) and five European companies have teamed up in the RETro Propulsion Assisted Landing Technologies (RETALT) project to jointly advance the research and development of key technologies for European vertical-landing launch vehicles. The consortium will spend three years examining the aerodynamics, aerothermodynamics -

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2019-06-19 08:33:45



Satellite observations improve earthquake monitoring, response  

Ames IA (SPX) Jun 17, 2019 Researchers at the University of Iowa and the U.S. Geological Survey have found that data gathered from orbiting satellites can provide more accurate information on the impact of large earthquakes, which, in turn, can help provide more effective emergency response. The satellite imagery provides detailed information about where the earthquakes occurred, how big the surface deformation was,

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2019-06-19 08:03:06



Newtec collaborates with QinetiQ, marking move into space sector  

Sint-Niklaas, Belgium (SPX) Jun 19, 2019 Newtec, a specialist in the design, development and manufacture of equipment for satellite communications, has announced it is working with QinetiQ on two key projects as it enters the Belgian space market. QinetiQ - a leading science and engineering company operating primarily in the defense, security, space and air markets - has chosen Newtec's Manufacturing Competence Center (MCC), in E

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2019-06-19 07:52:29



NASA Reflects on Legacy of LRO as Moon-Orbiting Mission Reaches 10-Year Anniversary  

Greenbelt MD (SPX) Jun 19, 2019 June 18, 2019, marks 10 years since the launch of the Lunar Reconnaissance Orbiter (LRO). Its contributions to the fields of lunar science and exploration are unmatched: it has provided the largest volume of data ever collected by a planetary science mission. The diverse suite of instruments aboard LRO include a laser altimeter that fires pulses of light about 28 times per second, creating

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2019-06-19 07:39:28



NASA scientists find Sun's history buried in lunar crust  

Greenbelt MD (SPX) Jun 18, 2019 The Sun is why we're here. It's also why Martians or Venusians are not. When the Sun was just a baby four billion years ago, it went through violent outbursts of intense radiation, spewing scorching, high-energy clouds and particles across the solar system. These growing pains helped seed life on early Earth by igniting chemical reactions that kept Earth warm and wet. Yet, these solar tant

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2019-06-19 06:40:48



Airbus built SEOSAT Ingenio is finished and ready for testing  

Madrid, Spain (SPX) Jun 19, 2019 Airbus built SEOSAT/Ingenio, the first Earth observation satellite for the European Space Agency (ESA) and Spanish government has left Madrid and is ready for final testing. The spacecraft will now start a 3 month environmental test campaign which includes the Thermal Balance and Vacuum test, followed by Mechanical Vibration, Acoustic and Electromagnetic Compatibility testing. Fifty engine

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2019-06-19 05:18:17



A new study reveals 'hidden' phases of matter through the power of light  

Philadelphia PA (SPX) Jun 17, 2019 Most people think of water as existing in only one of three phases: Solid ice, liquid water, or gas vapor. But matter can exist in many different phases--ice, for example, has more than ten known phases, or ways that its atoms can be spatially arranged. The widespread use of piezoelectric materials, such as microphones and ultrasound, is possible thanks to a fundamental understanding of how an e

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2019-06-19 04:31:30



Man's first steps on the Moon, reported live by AFP  

Paris (AFP) June 17, 2019 It was 10:56 pm at mission control in Houston on July 20, 1969 when Neil Armstrong became the first person to step onto the Moon. AFP despatched several journalists to cover the exploit, which was broadcast live from the Moon's Sea of Tranquility to NASA's Johnson Space Center and on to televisions around the world. This is their summary from that day 50 years ago, translated from the o

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2019-06-19 04:23:52



Providing access to space through innovation  

Vandenberg AFB CA (SPX) Jun 18, 2019 As the space domain continues to grow, so does the need for access to space. The U.S. Air Force and Space Command are powered by innovation. Because of this, Vandenberg Air Force Base is continually making improvements to base facilities, equipment and the way Airmen and operation partners do their job in order to complete the space mission. "Our mission is to provide robust, relevan

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2019-06-19 03:42:44



Apollo moon rocks help transform understanding of the universe  

Houston (AFP) June 16, 2019 Moon rocks look rather nondescript - they are often gray in color - but for NASA planetary scientist Samuel Lawrence, they are the "most precious materials on Earth." What is certain is that the lunar samples first gathered by Apollo 11's Neil Armstrong nearly 50 years ago have helped transform our understanding of the cosmos. Apollo astronauts collected 842 pounds (382 kilograms) of r

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2019-06-19 03:21:09



Wildfires rage near Siberia's "mouth of hell" — a giant depression that's getting bigger due to global warming  

Wildfires blazing in Siberia, as seen by one of the Sentinel 2 satellites on June 11th. (Source: Copernicus Sentinel image data processed by Pierre Markuse) I started writing this post last week after seeing the stunning satellite image above showing a blazing Siberian wildfire. When I returned to finish the post today, I learned from a story in the Siberian Times that wildfires in this part of Russia's Sakha Republic are now threatening a spectacular landscape feature known amon

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2019-06-19 03:03:23



NASA Invests $45M in US Small Businesses for Space Tech Development  

Washington DC (SPX) Jun 19, 2019 American businesses will help NASA land astronauts on the Moon in five years and establish a sustainable presence there, as part of the agency's larger Moon to Mars exploration approach. NASA has selected 363 proposals from small businesses and research institutions across 41 states to help advance the types of capabilities needed for those future missions, as well as to support the agency in ot

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2019-06-19 01:47:47



TanDEM-X reveals glaciers in detail  

Berlin, Germany (SPX) Jun 17, 2019 A precise understanding of glacier evolution requires knowledge of a glacier's exact mass. This is important in South America, in the tropical regions between Bolivia and Venezuela, where meltwater from glaciers provides drinking water during the dry season. However, basic data about mass changes in glaciers are not easy to obtain. Mass losses are also contributing to rising sea levels on

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2019-06-19 01:10:35



Incredible Rock-Eating Shipworm Is First Of Its Kind  

A section of limestone riddled with burrows bored by a unique rock-eating shipworm. (Credit: Shipway et al 2019, Proc. R. Soc. B 20190434. What would a shipworm do if a shipworm didn't eat wood? The humble bivalve has long had outsized influence on both its environment and even the global economy. That's because, until now, every known species consumes wood, sometimes with destructive results. A shipworm species new to science, however, t

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2019-06-18 21:14:11



Appearance of deep-sea fish does not signal upcoming earthquake in Japan  

The unusual appearance of deep-sea fish like the oarfish or slender ribbonfish in Japanese shallow waters does not mean that an earthquake is about to occur, according to a new statistical analysis.

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2019-06-18 20:17:29



Inhaling air pollution-like irritant alters defensive heart-lung reflex for hypertension  

Using a rat model for high blood pressure (hypertension), a common chronic cardiovascular condition, researchers found that preexisting hypertension altered normal reflexes in the lungs to affect autonomic regulation of the heart when an irritant mimicking air pollution was inhaled.

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2019-06-18 19:53:41



New study shows how environmental disruptions affected ancient societies  

A new study shows that over the past 10,000 years, humanity has experienced a number of foundational transitions, or 'bottlenecks.' During these periods of transition, the advance or decline of societies was related to energy availability in the form of a benign climate and other factors.

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2019-06-18 18:45:08



Survivors of breast cancer face increased risk of heart disease  

Thanks to advanced medical treatments, women diagnosed with breast cancer today will likely survive the disease. However, some treatment options put these women at greater risk for a number of other health problems. A new study shows that postmenopausal women with breast cancer are at greater risk for developing heart disease.

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2019-06-18 17:34:18



Egg-sucking sea slug from Florida's Cedar Key named after Muppets creator Jim Henson  

Feet from the raw bars and sherbet-colored condominiums of Florida's Cedar Key, researchers discovered a new species of egg-sucking sea slug, a rare outlier in a group famous for being ultra-vegetarians.

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2019-06-18 16:56:24



An ounce of prevention: Preoperative management of inflammation may stave off cancer recurrences  

Administering anti-inflammatory treatments that prevent inflammation as well as proresolution treatments that tamp down the body's inflammatory response to surgery or chemotherapy can promote long-term survival in experimental animal cancer models, new research shows.

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2019-06-18 16:47:36



Parental support is key when adolescents with autism want to learn to drive  

Adolescents with autism need the support of their parents or guardians to prioritize independence so that they are prepared for learning to drive, according to a study of specialized driving instructors who have worked specifically with young autistic drivers.

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2019-06-18 16:36:37



Scientists Read the Sun's History in Moon Rocks  

Solar flares and coronal mass ejections were more common when the sun was younger, but it may still have been quieter than many other stars like it. (Credit: NASA/SDO) Stars, like humans, are more volatile when they're young. As sunlike stars mature past their first billion years, they all tend to slow in their rotation, eventually converging to roughly the same period we see now in our sun: about 27 days for a star the same mass as our sun. But when stars are young, they rota...

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2019-06-18 16:14:57



Two new Earth-like planets discovered near Teegarden's Star  

An international research team has discovered two new Earth-like planets near one of our closest stars. Teegarden's Star is about 12.5 light years away and is one of the smallest known stars.

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2019-06-18 15:38:59



Scientists challenge notion of binary sexuality with naming of new plant species  

Scientists have named a new plant species from the remote Outback. The description of the plant had confounded field biologists for decades because of the unusual fluidity of its flower form. The discovery offers a powerful example of the diversity of sexual forms found among plants.

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2019-06-18 15:22:39



Understanding Microsleep — When Our Minds Are Both Asleep and Awake  

Seconds-long periods of sleep, known as "microsleep," are common during mundane tasks like driving. While these unintended brain naps can be difficult to control, getting adequate sleep is the key to preventing them. (Credit: pathdoc/Shutterstock) Have you ever spaced out during a meeting, but been jolted back to reality by the sound of your boss calling your name a few times? If you've ever been in this awkward situation, you might have experienced "microsleep." This weird sta...

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2019-06-18 15:04:16



Sea otters have low genetic diversity like other threatened species, biologists report  

Sea otters have very low genetic diversity, scientists report. Their findings have implications for the conservation of rare and endangered species, in which a lack of genetic diversity can increase the risk of extinction.

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2019-06-18 15:02:55



Why Some Amazonian Societies Survived and Others Perished amid Pre-Columbian Droughts  

Confronting climate change, cultures with intensive, specialized land use were vulnerable. Those that endured cultivated multiple crops and helped edible rainforest species prosper -- Read more on ScientificAmerican.com

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2019-06-18 13:40:27



Mystery of how gas bubbles form in liquid solved  

Findings show how to make confined bubbles develop uniformly, instead of in their usual scattershot way.

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2019-06-18 13:26:17



How hepatitis B and delta viruses establish infection of liver cells  

Researchers have developed a new, scalable cell culture system that allows for detailed investigation of how host cells respond to infection with hepatitis B (HBV) and delta virus (HDV).

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2019-06-18 13:18:40



One day of employment a week is all we need for mental health benefits  

Latest research finds up to eight hours of paid work a week significantly boosts mental health and life satisfaction. However, researchers found little evidence that any more hours -- including a full five-day week - provide further increases in wellbeing. They argue the findings show some paid work for the entire adult population is important, but rise of automation may require shorter hours for all so work can be redistributed.

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2019-06-18 13:11:59



Meteors help Martian clouds form  

Researchers think they've solved the long-standing mystery of how Mars got all of its clouds.

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2019-06-18 13:11:02



Size matters: New data reveals cell size sparks genome awakening in embryos  

Researchers have found in an embryo that activation of its genome does not happen all at once. Instead, it follows a specific pattern controlled primarily by the various sizes of its cells.

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2019-06-18 12:58:15



Pace of Heat Records Will Pick up With Warming  

If greenhouse gases are not curbed, 60 percent of the world will set monthly records by century’s end -- Read more on ScientificAmerican.com

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2019-06-18 12:44:03



Marijuana use increases, shifts away from illegal market  

A new article reports that, based on analysis of public wastewater samples in at least one Western Washington population center, cannabis use both increased and substantially shifted from the illicit market since retail sales began in 2014.

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2019-06-18 12:24:20



Cool halo gas caught spinning like galactic disks  

Astronomers have discovered cool halo gas spinning in the same direction as galactic disks in typical star-forming galaxies. Their findings suggest that the whirling gas halo will eventually spiral in towards the galactic disk where it can fuel star formation.

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2019-06-18 12:22:08



Sleep history predicts late-life Alzheimer's pathology  

Sleep patterns can predict the accumulation of Alzheimer's pathology proteins later in life, according to a new study. These findings could lead to new sleep-based early diagnosis and prevention measures in the treatment of Alzheimer's disease.

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2019-06-18 12:06:54



Origin of life: A prebiotic route to DNA  

DNA, the hereditary material, may have appeared on Earth earlier than has been assumed hitherto. Chemists now show that a simple reaction pathway could have given rise to DNA subunits on the early Earth.

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2019-06-18 11:57:18



A new force for optical tweezers awakens  

When studying biological cells using optical tweezers, one main issue is the damage caused to the cell by the tool. Scientists have discovered a new type of force that will greatly reduce the amount of light used by optical tweezers -- and improve the study of all kinds of cells and particles.

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2019-06-18 11:56:19



New drug compound could tackle major life-limiting kidney disease  

Scientists are developing a new class of drugs to treat a common genetic kidney disease which is a major cause of kidney failure.

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2019-06-18 11:38:44



Quantum music to my ears  

Researchers have applied new atomic-sensing capabilities to detect and record music.

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2019-06-18 11:21:08



Science Symphony: Music of the Mind, Virus-Proof Cells and Apollo's 50th  

-- Read more on ScientificAmerican.com

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2019-06-18 11:10:26



A warming Midwest increases likelihood that farmers will need to irrigate  

If current climate and crop-improvement trends continue into the future, Midwestern US corn growers who today rely on rainfall to water their crops will need to irrigate their fields, a new study finds. This could draw down aquifers, disrupt streams and rivers, and set up conflicts between agricultural and other human and ecological needs for water, scientists say.

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2019-06-18 11:03:34



Risky business: New data show how manatees use shipping channels  

New research tracks West Indian manatee movements through nearshore and offshore ship channels in the north-central Gulf of Mexico. A new publication in the journal Frontiers in Marine Science tracks West Indian manatee movements through nearshore and offshore ship channels in the north-central Gulf of Mexico.

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2019-06-18 10:52:03



Cell structure linked to longevity of slow-growing Ponderosa Pines  

Slow-growing ponderosa pines may have a better chance of surviving longer than fast-growing ones, especially as climate change increases the frequency and intensity of drought, according to new research from the University of Montana.

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2019-06-18 10:19:12



Fracking linked to higher radon levels in Ohio homes  

A new study connects the proximity of fracking to higher household concentrations of radon gas, the second leading cause of lung cancer in the US.

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2019-06-18 10:15:56



Coral bleaching causes a permanent change in fish life  

Repeat coral bleaching caused by rising sea temperatures has resulted in lasting changes to fish communities, according to a new long-term study.

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2019-06-18 10:15:11



Key protein: Lab solves HOIL-1 mystery  

The mysterious function of a key protein has been revealed.

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2019-06-18 10:04:09



New evidence supports the presence of microbes in the placenta  

Researchers report visual evidence supporting the presence of bacteria within the microarchitecture of the placental tissue.

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2019-06-18 09:58:33



Mapping the Mission  

Modern satellite imagery and 3-D modeling give us a new view of how Apollo 11 played out -- Read more on ScientificAmerican.com

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2019-06-18 09:44:45



Dormant neural stem cells in fruit flies activate to generate new brain cells  

Researchers have discovered the mechanism behind how neural stem cells in fruit flies are activated to stimulate the generation of new brain cells.

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2019-06-18 09:34:47



Record-low fertility rates linked to decline in stable manufacturing jobs  

New research identifies a link between the long-term decline in manufacturing jobs -- accelerated during the Great Recession -- and reduced fertility rates.

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2019-06-18 09:33:23



Wearable device reveals how seals prepare for diving  

A wearable noninvasive device based on near-infrared spectroscopy can be used to investigate blood volume and oxygenation patterns in freely diving marine mammals, according to a new study.

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2019-06-18 09:15:53



Antidepressants can reduce empathy for those in pain  

Depression is a disorder that often comes along with strong impairments of social functioning. Until recently, researchers assumed that acute episodes of depression also impair empathy, an essential skill for successful social interactions and understanding others. Novel insights show that antidepressant treatment can lead to impaired empathy regarding perception of pain, and not just the state of depression itself.

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2019-06-18 09:13:10



Monitoring biodiversity with sound: How machines can enrich our knowledge  

Ecologists have long relied on their senses when it comes to recording animal populations and species diversity. However, modern programmable sound recording devices are now the better option for logging animal vocalizations. Scientists have investigated this using studies of birds as an example.

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2019-06-18 09:08:20



One Small Step Back in Time  

Half a century after Apollo 11, we remember how we achieved the impossible and why we need to do it again -- Read more on ScientificAmerican.com

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2019-06-18 09:02:09



4 Myths about Testosterone  

Don’t let sports competitions be shaped by misguided “T Talk” -- Read more on ScientificAmerican.com

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2019-06-18 08:57:55



Speeding up the journey towards clean energy through photocatalyst optimization  

Researchers have studied the photocatalytic activity of oxyhalide materials and were able to demonstrate a relationship between parameters measured by time-resolved microwave conductivity (TRMC) and oxygen generation.

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2019-06-18 08:54:45



Adulting Tips: 5 Psychological Secrets  

Whether your graduation is coming up or twenty years behind you, we all have moments when we wonder whether we’re cut out for this adulthood thing -- Read more on ScientificAmerican.com

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2019-06-18 08:47:04



Gene linked to cannabis abuse  

New research shows that a specific gene is associated with an increased risk of cannabis abuse. The gene is the source of a so-called nicotine receptor in the brain, and people with low amounts of this receptor have an increased risk of cannabis abuse.

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2019-06-18 08:46:10



Collaborative research charts course to hundreds of new nitrides  

For chemists attempting to create new nitrides in the laboratory, a recently published large stability map of the ternary nitrides will be a significantly valuable tool.

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2019-06-18 08:35:42



Yogurt may help to lower pre-cancerous bowel growth risk in men  

Eating two or more weekly servings of yogurt may help to lower the risk of developing the abnormal growths (adenomas) which precede the development of bowel cancer -- at least in men -- finds new research.

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2019-06-18 08:01:54



Food neophobia may increase the risk of lifestyle diseases  

Your parents were right: You should always try all foods! Food neophobia, or fear of new foods, may lead to poorer dietary quality and increase the risk factors associated with chronic diseases.

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2019-06-18 06:49:42



New insight from Great Barrier Reef coral provides correction factor to climate records  

Newly developed geological techniques help uncover the most accurate and high-resolution climate records to date, according to a new study. The research finds that the standard practice of using modern and fossil coral to measure sea-surface temperatures may not be as straightforward as originally thought. By combining high-resolution microscopic techniques and geochemical modeling, researchers are using the formational history of Porites coral skeletons to fine-tune the records used to make glo

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2019-06-18 06:25:14



Molecular switch for 'exhaustion mode' of immune cells discovered  

Tumors and certain viral infections pose a challenge to the human body which the immune system typically fails to hand. In these diseases it switches to hypofunctional state that prevent adequate protection. A research team has achieved a major success: They identified the crucial molecular switch that triggers such dysfunctional immune responses. This could make it possible in the future to switch off or to prevent this state.

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2019-06-18 06:22:28



New Sensor Could Detect Electrical Failures in Ships or Buildings  

A monitoring device could measure overall power consumption and identify critical malfunctions  -- Read more on ScientificAmerican.com

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2019-06-18 06:21:26



Microfluidics device captures circulating cancer cell clusters  

About 90% of cancer deaths are due to metastases, when tumors spread to other vital organs, and a research group recently realized that it's not individual cells but rather distinct clusters of cancer cells that circulate and metastasize to other organs. As the group reports, they set out to gain a better understanding of these circulating cancer cell clusters. The group's microfluidic device brings a new therapeutic strategy to the fight.

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2019-06-18 06:19:41



Biology of leptin, the hunger hormone, revealed  

New research offers insight into leptin, a hormone that plays a key role in appetite, overeating, and obesity. The findings advance knowledge about leptin and weight gain, and also suggest a potential strategy for developing future weight-loss treatments, they said.

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2019-06-18 05:49:27



Now your phone can become a robot that does the boring work  

Researchers have developed a smartphone app that allows a user to easily program any robot to perform a task, dramatically bringing down the costs of building and programming mobile robots.

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2019-06-18 05:38:25



New manufacturing process for aluminum alloys  

Using a novel Solid Phase Processing approach, a research team eliminated several steps that are required during conventional extrusion processing of aluminum alloy powders, while also achieving a significant increase in product ductility. This is good news for sectors such as the automotive industry, where the high cost of manufacturing has historically limited the use of high-strength aluminum alloys made from powders.

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2019-06-18 05:31:53



Dinosaur bones are home to microscopic life  

Scientists went looking for preserved collagen, the protein in bone and skin, in dinosaur fossils. They didn't find the protein, but they did find huge colonies of modern bacteria living inside the dinosaur bones.

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2019-06-18 05:04:35



Where Are Your Boundaries?  

Psychological research unveils a central element of individual and group differences -- Read more on ScientificAmerican.com

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2019-06-18 04:52:36



Gold adds the shine of reversible assembly to protein cages  

An international team has shown the reversible self-assembly of protein cages using gold ions to direct the process. The team designed protein building blocks that formed 3D structures in the presence of gold ions and could be disassembled in the presence of reducing agents, exhibiting smart behavior attractive for cargo delivery applications. The cages were also found to exhibit an architecture believed to be unique in nature.

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2019-06-18 04:52:36



The fellowship of the wing: Pigeons flap faster to fly together  

Homing pigeons fit in one extra wingbeat per second when flying in pairs compared to flying solo, new research reveals.

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2019-06-18 04:36:34



Healthcare workers often care for patients while ill  

Large numbers of healthcare workers risk transmitting respiratory viruses to patients and co-workers by attending work even when they have symptoms, according to a new study. The study found that 95% of people working in healthcare settings have worked while sick, most often because the symptoms were mild or started during their workday.

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2019-06-18 04:30:45



Honeybees Know What 3 Means (and 2, and 4), Researchers Find  

One honeybee, ah ah ah... (Credit: yod67/Shutterstock) Humans, monkeys, pigeons, fish and honeybees can all grasp the concept of a greater than or less than sign and choose between bigger or smaller quantities. Now, new research from a team led by Martin Giurfa at Paul Sabatier University in Toulouse, France is the first to show that honeybees, like other vertebrates, can also recognize a specific value, not just a relative value. That means they know the number 3, instead of simply ...

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2019-06-18 04:20:09



Experimental drug can encourage bone growth in children with dwarfism  

Researchers report that an experimental drug called vosoritide, which interferes with certain proteins that block bone growth, allowed the average annual growth rate to increase in a study of 35 children and teenagers with achondroplasia, a form of dwarfism.

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2019-06-18 04:15:17



Genetic cause for fatal response to Hepatitis A  

Researchers have identified a genetic mutation that caused an 11-year-old girl to suffer a fatal reaction to infection with the Hepatitis A virus (HAV). The study reveals that mutations in the IL18BP gene causes the body's immune system to attack and kill healthy liver cells, and suggests that targeting this pathway could prevent the deaths of patients suffering rapid liver failure in response to viral infection.

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2019-06-18 04:03:21



Fossil teeth reveal ancient hyenas in the Arctic  

Modern hyenas are known as hunters and scavengers in Asian and African ecosystems such as the savanna. But in ancient times, these powerful carnivores also roamed a very different landscape, inhabiting the frigid Arctic during the last ice age. A new study reports on the first hyena fossils discovered in the Arctic -- two teeth.

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2019-06-18 04:02:38



Science suffers collateral damage as US, China tensions rise  

Beijing (AFP) June 18, 2019 A rise in US visa denials for Chinese academics and intensified scrutiny of alleged links to Beijing over fears of potential espionage are having a chilling effect on long-standing research collaboration, researchers say. American and Chinese scientists have co-authored thousands of papers each year, far outpacing the output from scientific collaborations between any other two nations, accor

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2019-06-18 03:59:43



Air Force tests hypersonic weapon aboard B-52 for first time  

Washington (UPI) Jun 14, 2019 For the first time, the U.S. Air Force successfully tested its hypersonic air-to-ground weapon on a B-52H Stratofortress bomber from Edwards Air Force Base, Calif. On Wednesday, a sensor-only prototype of the AGM-183A air launched rapid response weapon, or ARRW, was carried externally by a B-52 during the test to gather environmental and aircraft handling data, the U.S. Air Force said T

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2019-06-18 03:49:30



Leaving microbes out of climate change conversation has major consequences, experts warn  

Leading microbiologists have issued a warning, saying that not including microbes -- the support system of the biosphere -- in the climate change equation will have major negative flow-on effects.

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2019-06-18 03:47:31



Globalsat Group granted licence to operate in Argentina by national regulator ENACOM  

Buenos Aires, Argentina (SPX) Jun 17, 2019 Globalsat Group, the leading pan American consortium providing a complete roster of satellite communications solutions across the western hemisphere, is pleased to announce that its Argentina affiliate has been authorized by the national telecommunications authority ENACOM to provide services throughout the second largest South American country. ?? The consortium has been fulfilling satell

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2019-06-18 03:43:45



Study reveals new genomic roots of ecological adaptation in polar bear evolution  

Scientists have shed new light on the genomic foundation of the polar bear's ecological adaption by pinpointing rapid changes in the bear's gene copy numbers in response to a diet shifting from vegetation to meat.

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2019-06-18 03:37:38



Immunity: Redundancies in T cells  

Researchers have discovered redundancies in the biochemical signalling pathways of immune cells. This finding has important implications for advances in cancer immunotherapy, among other areas.

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2019-06-18 03:23:24



Melting a satellite, a piece at a time  

Paris (ESA) Jun 18, 2019 Researchers took one of the densest parts of an Earth-orbiting satellite, placed it in a plasma wind tunnel then proceeded to melt it into vapour. Their goal was to better understand how satellites burn up during reentry, to minimise the risk of endangering anyone on the ground. Taking place as part of ESA's Clean Space initiative, the fiery testing occurred inside a plasma wind tunnel, re

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2019-06-18 03:14:31



Meteors explain Mars' cloud cover  

Washington (UPI) Jun 17, 2019 New research suggests the wispy clouds found 18 miles above the Marian surface are made of icy dust produced by meteors hitting the Red Planet's atmosphere. The findings - published Monday in the journal Nature Geoscience - are a reminder of the connection between space and atmospheric dynamics. "We're used to thinking of Earth, Mars and other bodies as these really self-contai

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2019-06-18 02:48:19



Fossil Find Is First Evidence Of Arctic Hyenas  

An artist's rendering of ancient Arctic hyenas belonging to the genus Chasmaporthetes, now known to have roamed Canada's Yukon Territory. (Credit: Julius T. Csotonyi) You might associate hyenas with Africa's sprawling savannas, but the animals were once right at home above the Arctic Circle. Modern hyenas generally stick to Africa. (A decreasing number of one species, the striped hyena, can be found on the edges of southwestern Asia.) However, back in the day, various n...

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2019-06-18 02:39:01



Materials informatics reveals new class of super-hard alloys  

Bethlehem PA (SPX) Jun 17, 2019 A new method of discovering materials using data analytics and electron microscopy has found a new class of extremely hard alloys. Such materials could potentially withstand severe impact from projectiles, thereby providing better protection of soldiers in combat. Researchers from Lehigh University describe the method and findings in an article, "Materials Informatics For the Screening of Multi-

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2019-06-18 02:38:28



Humans Are Probably Behind the Evolution of 'Puppy Dog Eyes'  

Dogs likely evolved the gesture in response to human pressure. (Credit: Fotyma/Shutterstock) You know that look Fido gives you from underneath the dinner table? Those puppy dog eyes, researchers recently discovered, are something unique to domesticated dogs that evolved over the 30,000 or more years that we've coexisted.  In a study published Monday in the Proceedings of the National Academy of Sciences, researchers used dissections and behavioral analysis to compare the facial...

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2019-06-18 02:32:28



Good physical fitness in middle age linked to lower chronic lung disease risk  

Good heart and lung (cardiorespiratory) fitness in middle age is associated with a lower long term risk of chronic lung disease (COPD), suggests new research.

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2019-06-18 02:27:59



'Hot spots' increase efficiency of solar desalination  

Researchers showed they could boost the efficiency of their nanotechnology-enabled solar membrane desalination system by more than 50% simply by adding inexpensive plastic lenses to concentrate sunlight into 'hot spots.'

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2019-06-18 02:22:26



The brain consumes half of a child's energy -- and that could matter for weight gain  

A new study proposes that variation in the energy needs of brain development across kids -- in terms of the timing, intensity and duration of energy use -- could influence patterns of energy expenditure and weight gain.

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2019-06-18 02:22:23



Researchers Discover Urban Problems Plagued Even the Earliest Cities  

Excavations at Çatalhöyük. (Credit: NiglaNik/Shutterstock) In the mid-1960s, an English archaeologist discovered an enormous and ancient settlement called Çatalhöyük on the Konya Plain in south central Turkey. Wall paintings and figurines of humans and animals revealed a cultured community once lived there around 9000 years ago. Crowded houses and numerous graves revealed a growing and complex society. Researchers established the Çatalhöyük Research Project in the early...

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2019-06-18 02:18:16



New methods from material sciences in physics find their way into cancer research  

A new study on the behavior of water in cancer cells shows how methods usually limited to physics can be of great use in cancer research. The researchers have shown how a combination of neutron scattering and thermal analysis can be used to map the properties of water in breast cancer cells.

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2019-06-18 02:16:08



Looming insect invasion threatens California wine and avocados  

Researchers are testing whether a sesame seed-sized wasp can control a pest that could seriously damage California crops including wine, walnuts, and avocados.

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2019-06-18 02:12:45



Apollo-era tech built foundation, but private industry now leads space innovation  

Washington DC (UPI) Jun 18, 2019 Space travel technology may seem to have stalled since the Apollo and space shuttle eras, but private industry is now fueling rapid innovation. Reusable rockets, commercialized by SpaceX and under development by others in the last few years, have dramatically lowered the cost of reaching space, along with other advances. Lessons learned from 135 shuttle missions and almost 20 years at the

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2019-06-18 02:11:07



New AI system manages road infrastructure via Google Street View  

A program to monitor street signs automatically via Google Street View will save time and money for municipal authorities.

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2019-06-18 02:09:29






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