Science

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 2018-01-17 01:00 

Phys.org

Ancient DNA results end 4,000-year-old Egyptian mummy mystery...

Using 'next generation' DNA sequencing scientists have found that the famous 'Two Brothers' mummies of the Manchester Museum have different fathers so are, in fact, half-brothers....

 2018-01-17 00:10 

Phys.org

Quick quick slow is no-go in crab courtship dance...

Female fiddler crabs are sensitive to changes in the speed of a male's courtship display, significantly preferring displays that accelerate to those that are performed at a constant speed or slow down....

 2018-01-17 00:00 

Phys.org

No-fishing zones help endangered penguins...

Small no-fishing zones around colonies of African penguins can help this struggling species, new research shows....

 2018-01-17 00:00 

Phys.org

'Heart-on-a-chip' process aims to speed up drug testing...

Testing new clinical drugs' effect on heart tissue could become quicker and more straightforward, thanks to new research from Harvard University....

 2018-01-16 21:24 

Phys.org

New study suggests shark declines can lead to changes in reef fish body shapes...

Scientists studying nearly identical coral reef systems off Australia discovered something unusual on the reefs subjected to nearly exclusive fishing of sharks—fish with significantly smaller eyes and tails. The study is the first field evidence of ...

 2018-01-16 20:23 

Phys.org

Drones confirm importance of Costa Rican waters for sea turtles...

Hundreds of thousands of sea turtles come ashore to lay their eggs during mass-nesting events at Ostional National Wildlife Refuge on Costa Rica's Pacific coast, making it one of the most important nesting beaches in the world....

 2018-01-16 20:04 

Phys.org

New process could slash energy demands of fertilizer, nitrogen-based chemicals...

Nitrogen-based synthetic fertilizer forms the backbone of the world food supply, but its manufacture requires a tremendous amount of energy. Now, computer modeling at Princeton University points to a method that could drastically cut the energy needed by ...

 2018-01-16 18:22 

Phys.org

Hubble weighs in on mass of three million billion suns...

In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion suns—so it's little wonder that it has earned the nickname of "El Gordo" ("...

 2018-01-16 18:21 

Phys.org

New study shows producers where and how to grow cellulosic biofuel crops...

According to a recent ruling by the United States Environmental Protection Agency, 288 million gallons of cellulosic biofuel must be blended into the U.S. gasoline supply in 2018. Although this figure is down slightly from last year, the industry is still...

 2018-01-16 18:20 

Phys.org

New catalyst for hydrogen production is a step toward clean fuel...

A nanostructured composite material developed at UC Santa Cruz has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen. An efficient, low-cost catalyst is essential for realizing the promise of hydroge...

 2018-01-16 18:19 

Phys.org

Want people to work together? Familiarity, ability to pick partners could be key...

The key to getting people to work together effectively could be giving them the flexibility to choose their collaborators and the comfort of working with established contacts, new research suggests....

 2018-01-16 18:16 

Phys.org

Pharmaceuticals and other contaminants force fish to work much harder to survive...

Pharmaceuticals and other man-made contaminants are forcing fish that live downstream from a typical sewage treatment plant to work at least 30 per cent harder just to survive, McMaster researchers have found....

 2018-01-16 18:10 

Phys.org

Great scat! Bears—not birds—are the chief seed dispersers in Alaska...

It's a story of bears, birds and berries....

 2018-01-16 17:42 

Phys.org

Named after Stanley Kubrick, a new species of frog is a 'clockwork orange' of nature...

Two new treefrog species were discovered in the Amazon Basin of Bolivia, Peru, and Brazil. Both had been previously misidentified as another superficially identical species....

 2018-01-16 17:00 

Phys.org

Rates of great earthquakes not affected by moon phases, day of year...

There is an enduring myth that large earthquakes tend to happen during certain phases of the Moon or at certain times during the year. But a new analysis published in Seismological Research Letters confirms that this bit of earthquake lore is incorrect....

 2018-01-16 15:31 

Phys.org

Researchers identify 'social place cells' in the brain that respond to the locations of others...

Whether we're playing a team sport or just strolling with our family through the park, we're continually aware of the positions of those around us - and where each is heading. Scientists have, in recent decades, pinpointed neurons called "plac...

 2018-01-16 14:10 

Phys.org

Astronomers conduct detailed chemical analysis of eleven globular clusters...

Astronomers have performed abundance measurements for 11 globular clusters in the galaxies NGC 147, NGC 6822, and Messier 33. The new study, presented January 9 in a paper published on arXiv.org, could improve our knowledge about chemical composition of s...

 2018-01-16 13:52 

Phys.org

How winter temps can affect your spring fishing...

Cold winter weather can play a key role in what you're allowed to fish for next spring. That point was driven home when low temperatures in early January led North Carolina to temporarily bar fishing for spotted seatrout (Cynoscion nebulosus), one of ...

 2018-01-16 13:50 

Phys.org

New study suggests human fleas and lice were behind Black Death, not rodents...

A team of researchers with the University of Oslo has found evidence that suggests human fleas and lice, not rodents, were behind the spread of the plague that killed millions of people over the course of several centuries. In their paper published in Pro...

 2018-01-16 13:11 

Phys.org

How massive can neutron stars be?...

Astrophysicists at Goethe University Frankfurt set a new limit for the maximum mass of neutron stars: They cannot exceed 2.16 solar masses....

 2018-01-16 13:00 

Phys.org

Multifaceted design of the mantis shrimp club is inspiring advanced composite materials for airplanes, football helmets...

Smart boxers bind their hands with strips of cloth to avoid injury when they pack a punch. Millions of years ago, the "smasher" mantis shrimp, one of nature's feistiest predators, figured out a similar way to protect the hammer-like club it us...

 2018-01-16 12:10 

Phys.org

Communication methods do not work equally across diverse teams...

More recent thought on how to reach consensus among members of diverse teams for the best outcome has been to use text rather than face-to-face communication, but new research from the University of Michigan shows it's not that simple....

 2018-01-16 12:09 

Phys.org

Weather anomalies accelerate the melting of sea ice...

In the winter of 2015/16, something happened that had never before been seen on this scale: at the end of December, temperatures rose above zero degrees Celsius for several days in parts of the Arctic. Temperatures of up to eight degrees were registered n...

 2018-01-16 12:01 

Phys.org

X-rays reveal chirality in swirling electric vortices...

Scientists used spiraling X-rays at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) to observe, for the first time, a property that gives handedness to swirling electric patterns dubbed polar vortices in a synthetically...

 2018-01-16 11:56 

Phys.org

Slow 'hot electrons' could improve solar cell efficiency...

Photons with energy higher than the band gap of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy in respect to the band gap is lost very fast, as it is converted into heat and does not contribute to the volta...

 2018-01-16 11:56 

Phys.org

Quantum physics turned into tangible reality...

ETH physicists have developed a silicon wafer that behaves like a topological insulator when stimulated using ultrasound. They have thereby succeeded in turning an abstract theoretical concept into a macroscopic product....

 2018-01-16 11:51 

Phys.org

Scientists use vibrations within cells to identify their mechanical properties...

Scientists at Universit de Montral have developed a unique technique to map, on a scale of milliseconds, the elasticity of the components inside a cell....

 2018-01-16 11:49 

Phys.org

Scientists home in on a potential Anthropocene 'golden spike'...

The international working group, which includes geologists Jan Zalasiewicz, Mark Williams and Colin Waters, from the University of Leicester's School of Geography, Geology and the Environment and archaeologist Matt Edgeworth has, since 2009, been anal...

 2018-01-16 11:48 

Phys.org

Research team determines how electron spins interact with crystal lattice in nickel oxide...

Researchers at UC Riverside used an unconventional approach to determine the strength of the electron spin interactions with the optical phonons in antiferromagnetic nickel oxide (NiO) crystals....

 2018-01-16 11:47 

Phys.org

Key player in cell metabolism identified...

Researchers from the Genomic Instability and Cancer Laboratory at Institute for Research in Biomedicine (IRB Barcelona) have identified a key role for EXD2 in protein production in the mitochondria, the cellular organelles responsible for the majority of ...

 2018-01-16 11:47 

Phys.org

Insulating bricks with microscopic bubbles...

The better a building is insulated, the less heat is lost in winter—and the less energy is needed to achieve a comfortable room temperature. The Swiss Federal Office of Energy (SFOE) regularly raises the requirements for building insulation....

 2018-01-16 11:47 

Phys.org

Researchers develop more efficient conversion method for solar energy...

Researchers at the University of Twente's MESA+ Institute for Nanotechnology have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (...

 2018-01-16 11:46 

Phys.org

Biologists' new peptide could fight many cancers...

MIT biologists have designed a new peptide that can disrupt a key protein that many types of cancers, including some forms of lymphoma, leukemia, and breast cancer, need to survive....

 2018-01-16 01:00 

Phys.org

Shale gas is one of the least sustainable ways to produce electricity, research finds...

Shale gas is one of least sustainable options for producing electricity, according to new research from The University of Manchester....

 2018-01-15 20:00 

Phys.org

Lifting barriers to citizenship for low-income immigrants...

Taking the Oath of Allegiance at a naturalization ceremony is an emotional moment for many immigrants, and for good reason: it is the culmination of an often arduous process and many years of striving. Citizenship also opens a new chapter marked by possib...

 2018-01-15 20:00 

Phys.org

New dynamic statistical model follows gene expressions over time...

Researchers at Carnegie Mellon University have developed a new dynamic statistical model to visualize changing patterns in networks, including gene expression during developmental periods of the brain....

 2018-01-15 17:48 

Phys.org

Tiny dinosaur may have dazzled mates with rainbow ruff and a bony crest...

Ancient dinosaurs were adorned in some amazing ways, from the horns of the triceratops to the plates and spikes of the stegosaurus. A newly discovered, bird-like dinosaur fossil from China contains evidence that could add a new accessory to the list: a sh...

 2018-01-15 17:45 

Phys.org

From greenhouse gases to plastics: New catalyst for recycling carbon dioxide discovered...

Imagine if we could take CO2, that most notorious of greenhouse gases, and convert it into something useful. Something like plastic, for example. The positive effects could be dramatic, both diverting CO2 from the atmosphere and reducing the need for foss...

 2018-01-15 16:00 

Phys.org

Possible cause of early colonial-era Mexican epidemic identified...

An international team, led by researchers from the Max Planck Institute for the Science of Human History (MPI-SHH), Harvard University and the Mexican National Institute of Anthropology and History (INAH), has used ancient DNA and a new data processing pr...

 2018-01-15 16:00 

Phys.org

Gyroscopes lead scientists to unusual state of matter in a disorganized structure...

You don't have to be perfectly organized to pull off a wave, according to University of Chicago scientists....

 2018-01-15 16:00 

Phys.org

Researchers program biomaterials with 'logic gates' that release therapeutics in response to environmental triggers...

Drug treatments can save lives, but sometimes they also carry unintended costs. After all, the same therapeutics that target pathogens and tumors can also harm healthy cells....

 2018-01-15 16:00 

Phys.org

Fast-tracking T cell therapies with immune-mimicking biomaterials...

Immunologists and oncologists are harnessing the body's immune system to fight cancers and other diseases with adoptive cell transfer techniques. In a normal immune response, a type of white blood cell known as T cells are instructed by another kind o...

 2018-01-15 16:00 

Phys.org

Unexpected environmental source of methane discovered...

An unexpected source of methane in the environment has been inadvertently discovered....

 2018-01-15 15:03 

Phys.org

Intel underfoot: Floor sensors rise as retail data source...

The next phase in data collection is right under your feet....

 2018-01-15 14:10 

Phys.org

Infrared photometric observations reveal insights into the nature of the dwarf nova V2051 Ophiuchi...

Brazilian astronomers have performed photometric observations of the dwarf nova V2051 Oph during its quiescent period, which revealed important insights into the nature of this object. The results were presented in a paper published January 4 on the arXiv...

 2018-01-15 13:54 

Phys.org

Researchers measure single atoms in a graphene 'petri-dish'...

Researchers working at The University of Manchester have shown new possibilities for observing nanomaterials in liquids by creating a graphene 'petri-dish'....

 2018-01-15 13:54 

Phys.org

Europe's lost forests study shows coverage has halved over six millennia...

More than half of Europe's forests have disappeared over the past 6,000 years thanks to increasing demand for agricultural land and the use of wood as a source of fuel, new research led by the University of Plymouth suggests....

 2018-01-15 13:40 

Phys.org

New species of lemur found on Madagascar...

A team of researchers with members from the State University of New York Polytechnic Institute, Omaha's Henry Doorly Zoo and Aquarium, Global Wildlife Conservation and the Madagascar Biodiversity Partnership has discovered a new species of lemur livin...

 2018-01-15 13:08 

Phys.org

Soft material inspired by grasshoppers for better electrode adhesive...

Researchers at ETH Zurich have developed a new type of health-monitoring electrode that exhibits optimum adhesion to skin and can record high quality signals. Two young spin-off founders want to turn it into a marketable product as early as this year....

 2018-01-15 12:36 

Phys.org

New technology for diagnosing immunity to Ebola...

A promising new approach to detect immunity to Ebola virus infection has been developed by researchers from i-sense in a collaboration between UCL and Imperial College London....

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