Science

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 2018-04-23 10:44 

Phys.org

Could eating moss be good for your gut?...

An international team of scientists including the University of Adelaide has discovered a new complex carbohydrate in moss that could possibly be exploited for health or other uses....

 2018-04-23 10:16 

Phys.org

New DNA screening reveals blood sources for vampire bats...

The vampire bat's diet consists of blood. It prefers to feed on domestic animals such as cows and pigs, but when it does so, there is a risk of transmitting pathogens such as rabies. Now, a new study lead by Assistant Professor Kristine Bohmann from t...

 2018-04-23 06:48 

Phys.org

First genetic evidence of ongoing mating between two distinct species of guenon monkeys...

A researcher from Florida Atlantic University is the first to document that two genetically distinct species of guenon monkeys inhabiting Gombe National Park in Tanzania, Africa, have been successfully mating and producing hybrid offspring for hundreds ma...

 2018-04-23 06:35 

Phys.org

Trichomonosis discovered amongst myna birds in Pakistan...

A strain of the disease responsible for killing off nearly two thirds of the UK's greenfinches has been discovered in myna bird populations in Pakistan....

 2018-04-23 06:34 

Phys.org

Nanomedicine: Drugs can be made 'smarter'...

A new method has been developed to make drugs 'smarter' using nanotechnology so they will be more effective at reaching their target....

 2018-04-22 14:29 

Phys.org

China auto show highlights industry's electric ambitions...

The biggest global auto show of the year showcases China's ambitions to become a leader in electric cars and the industry's multibillion-dollar scramble to roll out models that appeal to price-conscious but demanding Chinese drivers....

 2018-04-21 18:46 

Phys.org

Robot designed for faster, safer uranium plant pipe cleanup...

Ohio crews cleaning up a massive former Cold War-era uranium enrichment plant in Ohio plan this summer to deploy a high-tech helper: an autonomous, radiation-measuring robot that will roll through miles of large overhead pipes to spot potentially hazardou...

 2018-04-21 15:16 

Phys.org

After Facebook scrutiny, is Google next?...

Facebook has taken the lion's share of scrutiny from Congress and the media for its data-handling practices that allow savvy marketers and political agents to target specific audiences, but it's far from alone....

 2018-04-21 09:36 

Phys.org

New testing of model improves confidence in the performance of ITER...

Scientists seeking to bring fusion—the power that drives the sun and stars—down to Earth must first make the state of matter called plasma superhot enough to sustain fusion reactions. That calls for heating the plasma to many times the tempera...

 2018-04-20 18:52 

Phys.org

How social networking sites may discriminate against women...

Social media and the sharing economy have created new opportunities by leveraging online networks to build trust and remove marketplace barriers. But a growing body of research suggests that old gender and racial biases persist, from men's greater pop...

 2018-04-20 18:50 

Phys.org

Tiny microenvironments in the ocean hold clues to global nitrogen cycle...

Nitrogen is essential to marine life and cycles throughout the ocean in a delicately balanced system. Living organisms—especially marine plants called phytoplankton—require nitrogen in processes such as photosynthesis. In turn, phytoplankton g...

 2018-04-20 16:30 

Phys.org

Wood formation model to fuel progress in bioenergy, paper, new applications...

A new systems biology model that mimics the process of wood formation allows scientists to predict the effects of switching on and off 21 pathway genes involved in producing lignin, a primary component of wood. The model, built on more than three decades ...

 2018-04-20 15:10 

Phys.org

New theory shows how strain makes for better catalysts...

Brown University researchers have developed a new theory to explain why stretching or compressing metal catalysts can make them perform better. The theory, described in the journal Nature Catalysis, could open new design possibilities for new catalysts wi...

 2018-04-20 14:56 

Phys.org

Is dark matter made of primordial black holes?...

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 m...

 2018-04-20 14:14 

Phys.org

Muons spin tales of undiscovered particles...

Scientists at U.S. Department of Energy (DOE) national laboratories are collaborating to test a magnetic property of the muon. Their experiment could point to the existence of physics beyond our current understanding, including undiscovered particles....

 2018-04-20 14:09 

Phys.org

Remote-control shoots laser at nano-gold to turn on cancer-killing immune cells...

A remote command could one day send immune cells on a rampage against a malignant tumor. The ability to mobilize, from outside the body, targeted cancer immunotherapy inside the body has taken a step closer to becoming reality....

 2018-04-20 12:50 

Phys.org

Simulations suggest Saturn may have helped create Jupiter's big moons...

A team of researchers from France and the U.S. has created a computer simulation of the development of the solar system focusing on Jupiter and the origins of its moons. In their paper uploaded to the arXiv preprint server, the group describes the simulat...

 2018-04-20 11:35 

Phys.org

Single-cell database to propel biological studies...

A team at Whitehead Institute and MIT has harnessed single-cell technologies to analyze over 65,000 cells from the regenerative planarian flatworm, Schmidtea mediterranea, revealing the complete suite of actives genes (or "transcriptome") for prac...

 2018-04-20 11:33 

Phys.org

Gauging the effects of water scarcity on an irrigated planet...

Growing global food demand, climate change, and climate policies favoring bioenergy production are expected to increase pressures on water resources around the world. Many analysts predict that water shortages will constrain the ability of farmers to expa...

 2018-04-20 11:30 

Phys.org

Will rising carbon dioxide levels really boost plant growth?...

Plants have become an unlikely subject of political debate. Many projections suggest that burning fossil fuels and the resulting climate change will make it harder to grow enough food for everyone in the coming decades. But some groups opposed to limiting...

 2018-04-20 11:25 

Phys.org

Researchers find polyploidy has occurred many times during the evolution of insects...

University of Arizona biology researchers have made a discovery that helps resolve a conundrum that has puzzled scientists for more than a century....

 2018-04-20 11:24 

Phys.org

Scientists discover gene controlling genetic recombination rates...

Genetics is a crapshoot. During sexual reproduction, genes from both the mother and the father mix and mingle to produce a genetic combination unique to each offspring. In most cases, the chromosomes line up properly and crossover. In some unlucky cases, ...

 2018-04-20 11:21 

Phys.org

NASA engineers dream big with small spacecraft...

Many of NASA's most iconic spacecraft towered over the engineers who built them: think Voyagers 1 and 2, Cassini or Galileo—all large machines that could measure up to a school bus....

 2018-04-20 11:21 

Phys.org

Unveiling the secrets of the Milky Way galaxy...

A multinational team of astronomers involving the University of Adelaide has catalogued over 70 sources of very high energy gamma rays, including 16 previously undiscovered ones, in a survey of the Milky Way using gamma ray telescopes....

 2018-04-20 09:41 

Phys.org

Policy driver of soil organic carbon accumulation in Chinese croplands identified...

China's croplands have experienced drastic changes in management practices related to fertilization, tillage and residue treatment since the 1980s. The impact of these changes on soil organic carbon (SOC) has drawn major attention from the scientific ...

 2018-04-20 06:38 

Phys.org

Archaeologists discover Cornish barrow site...

An Archaeologist at The Australian National University (ANU) has discovered a prehistoric Bronze-Age barrow, or burial mound, on a hill in Cornwall and is about to start excavating the untouched site which overlooks the English Channel....

 2018-04-19 20:28 

Phys.org

Clear as mud: Desiccation cracks help reveal the shape of water on Mars...

As Curiosity rover marches across Mars, the red planet's watery past comes into clearer focus....

 2018-04-19 20:04 

Phys.org

Integrating optical components into existing chip designs...

Two and a half years ago, a team of researchers led by groups at MIT, the University of California at Berkeley, and Boston University announced a milestone: the fabrication of a working microprocessor, built using only existing manufacturing processes, th...

 2018-04-19 18:00 

Phys.org

New record on squeezing light to one atom: Atomic Lego guides light below one nanometer...

All electronic devices consist of billions of transistors, the key building block invented in Bell Labs in the late 1940s. Early transistors were as large as one centimeter, but now measure about 14 nanometers. There has also been a race to further shrink...

 2018-04-19 18:00 

Phys.org

Unprecedented wave of large-mammal extinctions linked to ancient humans...

Homo sapiens, Neanderthals and other recent human relatives may have begun hunting large mammal species down to size - by way of extinction - at least 90,000 years earlier than previously thought, says a new study published in the journal Science....

 2018-04-19 18:00 

Phys.org

A complete cell atlas and lineage tree of the immortal flatworm...

From one stem cell to many differentiated body cells: Scientists from the MDC in Berlin, along with collaborating researchers in Munich, have published a comprehensive lineage tree of a whole adult animal in the journal Science. This was made possible by ...

 2018-04-19 18:00 

Phys.org

Genome Jenga study reveals unexpected gene alliances in the cell...

To understand how a cell works, biologists like to take it apart. By removing genes from cells in diverse combinations, researchers have now uncovered how different genes work together to keep cells alive. The research will help scientists understand how ...

 2018-04-19 18:00 

Phys.org

Diamond can turn flexible when made into ultrafine needles, researchers find...

Diamond is well-known as the strongest of all natural materials, and with that strength comes another tightly linked property: brittleness. But now, an international team of researchers from MIT, Hong Kong, Singapore, and Korea has found that when grown i...

 2018-04-19 18:00 

Phys.org

New research could literally squeeze more power out of solar cells...

Physicists at the University of Warwick have today, Thursday 19th April 2018, published new research in the fournal Science today 19th April 2018 (via the Journal's First Release pages) that could literally squeeze more power out of solar cells by phy...

 2018-04-19 18:00 

Phys.org

Your grandchildren may retire before we achieve gender equality in STEMM...

Researchers from the University of Melbourne analysed the numbers of men and women authors listed on more than 10 million academic papers, allowing them to calculate the gender gap among researchers, as well as its rate of change for most disciplines of s...

 2018-04-19 18:00 

Phys.org

Great Barrier Reef corals can survive global warming for another century...

Using genetic samples and computer simulations, evolutionary biologists have made a glass-half-full forecast: Corals in the Great Barrier Reef have enough genetic variation to adapt to and survive rising ocean temperatures for at least another century, or...

 2018-04-19 18:00 

Phys.org

New microscope captures detailed 3-D movies of cells deep within living systems...

Our window into the cellular world just got a whole lot clearer....

 2018-04-19 17:53 

Phys.org

Scientists create gold nanoparticles in water...

An experiment that, by design, was not supposed to turn up anything of note instead produced a "bewildering"; surprise, according to the Stanford scientists who made the discovery: a new way of creating gold nanoparticles and nanowires using water ...

 2018-04-19 17:47 

Phys.org

Holey cow! Evidence of Stone Age veterinary 'surgery'...

A hole in the skull of a Stone Age cow was likely made by humans about 5,000 years ago, probably by a primitive veterinarian or trainee surgeon, scientists said Thursday....

 2018-04-19 17:36 

Phys.org

Virtually modelling the human brain in a computer...

Neurons that remain active even after the triggering stimulus has been silenced form the basis of short-term memory. The brain uses rhythmically active neurons to combine larger groups of neurons into functional units. Until now, neuroscientists have, for...

 2018-04-19 17:21 

Phys.org

Tiny fly blows bubbles to cool off: study...

Humans sweat, dogs pant, cats lick their fur. Animals have adopted an interesting array of techniques for regulating body temperature through evaporation....

 2018-04-19 16:59 

Phys.org

Homemade microscope reveals how a cancer-causing virus clings to our DNA...

Using a homemade, high-tech microscope, scientists at the University of Virginia School of Medicine have revealed how a cancer-causing virus anchors itself to our DNA. That discovery could pave the way for doctors to cure incurable diseases by flushing ou...

 2018-04-19 16:58 

Phys.org

For nuclear weapons reduction, a way to verify without revealing...

In past negotiations aimed at reducing the arsenals of the world's nuclear superpowers, chiefly the U.S. and Russia, a major sticking point has been the verification process: How do you prove that real bombs and nuclear devices—not just replicas...

 2018-04-19 16:56 

Phys.org

GLUT5 fluorescent probe fingerprints cancer cells...

Determining the presence of cancer, as well as its type and malignancy, is a stressful process for patients that can take up to two weeks to get a diagnosis. With a new bit of technology—a sugar-transporting biosensor—researchers at Michigan T...

 2018-04-19 16:48 

Phys.org

'Rip Van Winkle' plants hide underground for up to 20 years...

Scores of plant species are capable of living dormant under the soil for up to 20 years, enabling them to survive through difficult times, a new study has found....

 2018-04-19 16:44 

Phys.org

Electrochemical tuning of single layer materials relies on defects...

Perfection is not everything, according to an international team of researchers whose 2-D materials study shows that defects can enhance a material's physical, electrochemical, magnetic, energy and catalytic properties....

 2018-04-19 16:00 

Phys.org

Using the right plants can reduce indoor pollution and save energy...

People in industrialized countries spend more than 80% of their lives indoors, increasingly in air-tight buildings. These structures require less energy for heating, ventilating, and air conditioning, but can be hazardous to human health if particulate ma...

 2018-04-19 16:00 

Phys.org

Human protein important for cellular communication resembles bacterial toxin...

A protein that plays an important role in embryonic development and nervous system wiring in humans appears to have been borrowed from bacteria. In a study published April 19, 2018, in Cell, scientists from the University of Chicago and Stanford Universit...

 2018-04-19 16:00 

Phys.org

Genetic adaptations to diving discovered in humans for the first time...

Evidence that humans can genetically adapt to diving has been identified for the first time in a new study. The evidence suggests that the Bajau, a people group indigenous to parts of Indonesia, have genetically enlarged spleens which enable them to free ...

 2018-04-19 16:00 

Phys.org

Optogenetic study shows that male flies find ejaculation pleasurable...

Researchers reporting in Current Biology on April 19 show that male fruit flies find sex—and more specifically ejaculation—to be an inherently rewarding experience. The study is the first to show that the rewarding nature of ejaculation is con...

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