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Science Daily: News Articles in Science, Health, Environment Technology

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate environment, computers, engineering, health medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations. id=metasummary ScienceDaily -- the Internet's premier science news web site -- brings you the latest discoveries in science, health & medicine, the environment, space, technology, and computers, from the world's leading universities and research institutions. Updated several times a day, Science Daily also offers free search of its archive of more than 80,000 stories, as well as related articles, images, videos, books, and journal references in hundreds of different topics, including astronomy, biology, chemistry, engineering, geology, mathematics, physics, and more.



Plate tectonics may have driven 'Cambrian Explosion'  

The quest to discover what drove one of the most important evolutionary events in the history of life on Earth has taken a new, fascinating twist.

what do you think?

2019-06-19 19:43:59



Dangerous brain parasite 'orders in' for dinner  

Researchers have discovered how toxoplasma gondii, a single-celled parasite, maintains a steady supply of nutrients while replicating inside of its host cell: it calls for delivery.

what do you think?

2019-06-19 19:41:46



Researchers see around corners to detect object shapes  

Computer vision researchers have demonstrated they can use special light sources and sensors to see around corners or through gauzy filters, enabling them to reconstruct the shapes of unseen objects. The researchers said this technique enables them to reconstruct images in great detail, including the relief of George Washington's profile on a US quarter.

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2019-06-19 17:39:53



High reaction rates even without precious metals  

Non-precious metal nanoparticles could one day replace expensive catalysts for hydrogen production. However, it is often difficult to determine what reaction rates they can achieve, especially when it comes to oxide particles. This is because the particles must be attached to the electrode using a binder and conductive additives, which distort the results. With the aid of electrochemical analyses of individual particles, researchers have now succeeded in determining the activity and substance co

what do you think?

2019-06-19 17:35:37



Extreme pressure and heat in Earth's mantle simulated  

Unlike flawless gems, fibrous diamonds often contain small saline inclusions. These give hints to scientists about the conditions under which diamonds are formed deep in the Earth's mantle. A research team has now solved the puzzle of the formation of these inclusions by simulating conditions of extreme heat and pressure in the laboratory.

what do you think?

2019-06-19 17:02:45



Wind can prevent seabirds accessing their most important habitat  

We marvel at flying animals because it seems like they can access anywhere, but a first study of its kind has revealed that wind can prevent seabirds from accessing the most important of habitats: their nests.

what do you think?

2019-06-19 15:15:07



The secret of platinum deposits revealed by field observations in South Africa  

There are two competing ideas of how platinum deposits formed: the first involves gravity-induced settling of crystals on the chamber floor, while the second idea implies that the crystals grow in situ, directly on the floor of the magmatic chamber. Researchers have established that the crystals grow in situ, with its high platinum status being attained while all its minerals were crystallizing along the cooling margins of the magma chamber.

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2019-06-19 12:33:53



Motherhood can deliver body image boost  

New research indicates that perfectionism is related to breast size dissatisfaction, but only in non-mothers -- suggesting that mothers are more comfortable with their bodies.

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2019-06-19 12:27:26



Researchers find cause of rare, fatal disease that turns babies' lips and skin blue  

Scientists used a gene editing method called CRISPR/Cas9 to generate mice that faithfully mimic a fatal respiratory disorder in newborn infants that turns their lips and skin blue. The new laboratory model allowed researchers to pinpoint the ailment's cause and develop a potential and desperately needed nanoparticle-based treatment. Mostly untreatable, Alveolar Capillary Dysplasia with Misalignment of Pulmonary Veins (ACDMPV) usually strikes infants within a month of birth.

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2019-06-19 12:23:56



Researchers find quantum gravity has no symmetry  

Using holography, researchers have found when gravity is combined with quantum mechanics, symmetry is not possible.

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2019-06-19 11:17:44



Mapping and measuring proteins on the surfaces of endoplasmic reticulum (ER) in cells  

Sigma receptors are proteins found on mainly the surface of endoplasmic reticulum (ER) in certain cells. Sigma-1 and sigma-2 are the two main classes of these receptors. The sigma-1 receptor is involved neurological disorders and certain types of cancer. To understand better how the receptor is involved in disease and whether drugs developed to target it are working, it is important to be able to accurately trace the sigma-1 receptor. Researchers have now developed a probe, which can identify an

what do you think?

2019-06-19 11:11:15



Antarctic marine life recovery following the dinosaurs' extinction  

A new study shows how marine life around Antarctica returned after the extinction event that wiped out the dinosaurs. A team studied just under 3000 marine fossils collected from Antarctica to understand how life on the sea floor recovered after the Cretaceous-Paleogene (K-Pg) mass extinction 66 million years ago. They reveal it took one million years for the marine ecosystem to return to pre-extinction levels.

what do you think?

2019-06-19 10:51:46



First step towards a better prosthetic leg? Trip people over and over  

The first step a team took in addressing a challenge in lower-body prosthetics was coming to understand the way people with two legs catch themselves, accomplished by covering test subjects with motion-capturing sensors.

what do you think?

2019-06-19 10:41:04



Unexpected culprit: Wetlands as source of methane  

Wetlands are an important part of the Earth's natural water management system. The complex system of plants, soil, and aquatic life serves as a reservoir that captures and cleans water. However, as cities have expanded, many wetlands were drained for construction. In addition, many areas of land in the Midwest were drained to increase uses for agriculture to feed a growing world.

what do you think?

2019-06-19 10:31:17



Developing a new type of refrigeration via force-driven liquid gas transition  

A research team has made a groundbreaking discovery in the quest to replace hydrofluorocarbons in refrigeration systems with natural refrigerants such as water and alcohol. Their study involved carrying-out a liquid-to-gas phase transition via a nanosponge, a soft, elastic material equipped with small nanopores less than 10 nanometers. Their findings could lead to more efficient refrigerants with a smaller carbon footprint.

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2019-06-19 10:27:52



'Goldilocks' neurons promote REM sleep  

It has been a mystery why REM sleep, or dream sleep, increases when the room temperature is 'just right'. Neuroscientists show that melanin-concentrating hormone neurons within the hypothalamus increase REM sleep when the need for body temperature defense is minimized, such as when sleeping in a warm and comfortable room temperature. These data have important implications for the function of REM sleep.

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2019-06-19 10:25:47



Your nose knows when it comes to stronger memories  

Memories are stronger when the original experiences are accompanied by unpleasant odors, a team of researchers has found. The study broadens our understanding of what can drive Pavlovian responses and points to how negative experiences influence our ability to recall past events.

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2019-06-19 10:14:44



Memories form 'barrier' to letting go of objects for people who hoard  

Researchers hope that the findings could help develop new ways to train people with hoarding difficulties to discard clutter.

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2019-06-19 10:13:42



Electrons take alternative route to prevent plant stress  

When plants absorb excess light energy during photosynthesis, reactive oxygen species are produced, potentially causing oxidative stress that damages important structures. Plants can suppress the production of reactive oxygen species by oxidizing P700 (the reaction center chlorophyll in photosystem I). A new study has revealed more about this vital process.

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2019-06-19 10:09:15



A sound idea: a step towards quantum computing  

Researchers have developed a new method for using lasers to create tiny lattice waves inside silicon crystals that can encode quantum information. By taking advantage of existing silicon hardware, this work may greatly reduce the cost of future quantum computers for cryptographic and optimization applications.

what do you think?

2019-06-19 09:47:50



Fatty fish without environmental pollutants protect against type 2 diabetes  

If the fatty fish we eat were free of environmental pollutants, it would reduce our risk of developing type 2 diabetes. However, the pollutants in the fish have the opposite effect and appears to eliminate the protective effect from fatty fish intake. This has been shown by researchers using innovative methods that could be used to address several questions about food and health in future studies.

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2019-06-19 09:20:25



Inattentive children earn less money at 35  

An international team finds that if kids can't pay attention in kindergarten, they will grow up to have less lucrative careers.

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2019-06-19 09:05:09



Real-time analysis of MOF adsorption behavior  

Researchers have developed a technology to analyze the adsorption behavior of molecules in each individual pore of a metal organic framework (MOF). This system has large specific surface areas, allowing for the real-time observation of the adsorption process of an MOF, a new material effective for sorting carbon dioxide, hydrogen, and methane.

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2019-06-19 07:45:16



Astronomers uncover first polarized radio signals from gamma-ray burst  

An international team of astronomers has captured the first-ever polarized radio waves from a distant cosmic explosion.

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2019-06-19 07:37:12



Joint hypermobility related to anxiety, also in animals  

Researchers report the first evidence in a non-human species, the domestic dog, of a relation between joint hypermobility and excitability: dogs with more joint mobility and flexibility tend to have more anxiety problems.

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2019-06-19 06:04:47



Investigating coral and algal 'matchmaking' at the cellular level  

What factors govern algae's success as 'tenants' of their coral hosts both under optimal conditions and when oceanic temperatures rise?

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2019-06-19 05:52:43



Scientists chart course toward a new world of synthetic biology  

A team has compiled a roadmap for the future of synthetic or engineering biology, based on the input of 80 leaders in the field from more than 30 institutions. The report provides a strong case that the federal government should invest in this area, not only to improve public health, food crops and the environment, but also to fuel the economy and maintain the country's leadership in synthetic/engineering biology.

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2019-06-19 05:23:12



Good viruses and bad bacteria: A world-first green sea turtle trial  

A world-first study has found an alternative to antibiotics for treating bacterial infections in green sea turtles.

what do you think?

2019-06-19 05:16:07



High postural sway doubles older women's fracture risk  

Postural sway is an independent risk factor for bone fractures in postmenopausal women, according to a new study. Women with the highest postural sway had a two times higher fracture risk compared to women with the lowest postural sway.

what do you think?

2019-06-19 05:03:59



Astronomers make first detection of polarized radio waves in Gamma Ray Burst jets  

Astronomers detect polarized radio waves from a gamma-ray burst for the first time. Polarization signature reveals magnetic fields in explosions to be much more patchy and tangled than first thought. Combining the observations with data from X-ray and visible light telescopes is helping unravel the mysteries of the universe's most powerful explosions.

what do you think?

2019-06-19 04:11:59



From one brain scan, more information for medical artificial intelligence  

Researchers have devised a novel method to glean training information for machine-learning models, including those that can analyze medical images to help diagnose and treat brain conditions.

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2019-06-19 03:27:55



Early Celts in Burgundy appropriated Mediterranean products and feasting practices  

Early Celts in eastern France imported Mediterranean pottery, as well as olive oil and wine, and may have appropriated Mediterranean feasting practices, according to a new study.

what do you think?

2019-06-19 03:03:50



A miniature robot that could check colons for early signs of disease  

Engineers have shown it is technically possible to guide a tiny robotic capsule inside the colon to take micro-ultrasound images. Known as a Sonopill, the device could one day replace the need for patients to undergo an endoscopic examination, where a semi-rigid scope is passed into the bowel - an invasive procedure that can be painful.

what do you think?

2019-06-19 02:56:23



Is glue the answer to climate change?  

A small amount of cheap epoxy resin replaces bulky support materials in making effective carbon capture solid sorbents, developed by scientists.

what do you think?

2019-06-19 02:21:24



Crocs' climate clock: Ancient distribution of Crocs could reveal more about past climates  

Underneath their tough exteriors, some crocodilians have a sensitive side that scientists could use to shine light on our ancient climate.

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2019-06-19 01:49:06



Researchers lay out plan for managing rivers for climate change  

New strategies for river management are needed to maintain water supplies and avoid big crashes in populations of aquatic life, researchers argue.

what do you think?

2019-06-19 01:46:47



How arousal impacts physiological synchrony in relationships  

A team of researchers has examined what type of social interaction is required for people to display physiological synchrony -- mutual changes in autonomic nervous system activity. The study also looked at whether the levels of autonomic arousal people share predicts affiliation and friendship interest between people.

what do you think?

2019-06-19 01:25:55



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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 16:36:37



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.

what do you think?

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.

what do you think?

2019-06-18 15:22:39



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.

what do you think?

2019-06-18 15:02:55



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.

what do you think?

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).

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 12:58:15



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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 11:38:44



Quantum music to my ears  

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

what do you think?

2019-06-18 11:21:08



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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 10:15:11



Key protein: Lab solves HOIL-1 mystery  

The mysterious function of a key protein has been revealed.

what do you think?

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.

what do you think?

2019-06-18 09:58:33



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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 09:08:20



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.

what do you think?

2019-06-18 08:54:45



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.

what do you think?

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.

what do you think?

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.

what do you think?

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.

what do you think?

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



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.

what do you think?

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.

what do you think?

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.

what do you think?

2019-06-18 05:04:35



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



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.

what do you think?

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



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.

what do you think?

2019-06-18 03:47:31



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



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.'

what do you think?

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.

what do you think?

2019-06-18 02:22:23



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.

what do you think?

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.

what do you think?

2019-06-18 02:12:45



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.

what do you think?

2019-06-18 02:09:29



Automation will not wipe out truck-driving jobs  

While stories in the media present automation as having the potential to eliminate large swaths of jobs in the near future, a new study argues otherwise.

what do you think?

2019-06-18 01:55:30



Carving a new path for skier safety  

A spectacular stack on a ski slope in Canada has led to a researcher determining a simple modification that could improve skier safety on the snow. Researchers studied visual perception under different lighting conditions to identify a better method for grooming ski runs.

what do you think?

2019-06-18 01:33:45






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