Last update Ancient Andean genomes show distinct adaptations to farming and altitude, 1 hour ago
Somatic stem cells are microscopic workhorses, constantly regenerating cells throughout the body: skin and the lining of the intestine, for example. And to University of Illinois neuroscientists, they represent untapped potential.
Researchers at the Okinawa Institute of Science and Technology Graduate University (OIST) have for the first time imaged the structure of a central component of the Ebola virus at near-atomic resolution.
Youngsters learn many important behaviors by imitating adults. But young learners are selective in who they copy, and scientists don't understand how they choose the right teacher.
The extraordinary flying ability of dandelion seeds is possible thanks to a form of flight that has not been seen before in nature, research has revealed.
In the fight against drug-resistant bacteria, MIT researchers have enlisted the help of beneficial bacteria known as probiotics.
A team of researchers from across Europe and Israel has found evidence of dogs traveling with people from the Near East to Europe during the Neolithic. In their paper published in the journal Biology Letters, the group describes ...
Planktonic foraminifera (forams) - tiny, shelled organisms that float in the sea—left behind one of the most complete fossil records of evolutionary history in deep sea deposits. Consequently, evolutionists have a relatively ...
A pair of researchers, one with Trent University in Canada, the other the University of Manchester in the U.K. has found evidence that rats living in cities have a much richer diet than rats living in the country. In their ...
Researchers led by Mustafa Khammash have developed a new method that uses blue light to control the transcription of DNA into RNA in single cells. The technology could also be used in tissue engineering and stem cell research.
Cottonseed ground into flour to deliver protein to millions of people, a project to which Dr. Keerti Rathore has devoted more than half his professional career, is one step closer to reality.
Europe's future climate will be characterised by more frequent heat waves and more widespread drought. Heat and drought will both challenge crop production, but drought in particular will be a problem—especially for spring ...
Studies of human populations and animal models suggest that a father's experiences such as diet or environmental stress can influence the health and development of his descendants. How these effects are transmitted across ...
New UMBC research is helping dismantle gender and publication biases in science. A team of researchers working across disciplines has developed a new statistical technique to understand similarity, rather than difference, ...
The wild rice consumed by our Neolithic ancestors was very different from the domesticated rice eaten today. Although it is unclear when humans first started farming rice, the oldest paddy fields—in the lower Yangzi River ...
Doctors use invasive procedures to map the hearts of patients suffering from atrial fibrillation, an abnormal heart rhythm, to decide whether an ablation procedure to remove heart tissue is likely to have a positive outcome. ...
Using a combination of computational modeling and experimental techniques, a research team has developed new information about how intercellular communication affects the differentiation of an embryonic stem cell colony over ...
A controversial and unproven gene-editing technology touted as a silver bullet against malaria-bearing mosquitos could wind up being deployed first in commercial agriculture, according to experts and an NGO report published ...
House mice carrying a specific selfish supergene move from one population to another much more frequently than their peers. This finding from a University of Zurich study shows for the first time that a gene of this type ...
With bee pollinators in decline and pesky crop pests lowering yields, sustainable and organic farmers need environmentally friendly solutions.
Color vision, consisting of ocular color detection, is achieved with complicated neural mechanisms in the eyes. Researchers from Osaka City University in Japan have found color detection with a simple mechanism in the fish ...
The burying beetle Nicrophorus vespilloides buries the cadavers of small animals in soil to use them as a food source for its offspring. However, the carcass and thus the breeding site are highly susceptible to microbial ...
A radical new approach combining archaeology, genetics and microscopy can reveal long-forgotten secrets of human diet, sanitation and movement from studying parasites in ancient poo, according to new Oxford University research.
The steps cells take in response to challenges are more complex than previously thought, a new study finds. The work investigates a system relevant to cancer, viral infection, and diabetes as well as Parkinson's and Lou Gehrig's ...
The surfaces of most cell types are covered by hair-like cilia that play critical roles in cell and fluid motility, environment sensing, and cell-cell communication (signalling).
Allowing sunlight in through windows can kill bacteria that live in dust, according to a study published in the open access journal Microbiome.
Experts want to enclose a small area of the Gulf of California where the critically endangered vaquita porpoise remains after they sighted about a half dozen of the elusive creatures in September.
Adding to growing evidence that pesticide use may be contributing to the decline of many bumblebee species across North America, a new study reveals that daily consumption of even small doses of a widely used class of insecticides ...
Aerial insectivores—birds that hunt for insect prey on the wing—are declining across North America. Conserving vulnerable species such as these requires a good understanding of the factors impacting them at every stage ...
Like people, blue crabs aren't all the same sizes and shapes. Now Rutgers scientists have discovered substantial differences in the body structures of larval crab siblings and among larvae from different mothers. And that ...
Fish experience stress, as do mammals and humans. When under stress, fish release the hormones adrenaline and cortisol. A team of scientists spearheaded by IGB has investigated whether flash photography induces an increase ...
Spanish authorities announced the arrest of 76 people involved in a large illegal trade of bluefin tuna worth over €12 million per year between Malta and Spain, and with the engagement of other EU countries. 80,000 kg of ...
The female of a sex-role reversed cave insect species Neotrogla has evolved a switching valve to receive more semen during mating, when a penis-like structure in the female anchors in the male "vagina."
Unicellular diatoms are able to adapt their behavior to different external stimuli based on an evaluation of their own needs. This was discovered by scientists of the Friedrich Schiller University and the Max Planck Institute ...
A new larval fish database collated over the last 30 years will be used to measure marine ecosystem state and change as well as seasonal patterns of various fish species.
Parenting behaviour varies greatly across the animal kingdom. In most mammals, only mothers look after the young, and in most fishes, only fathers look after the young. When it comes to birds, mothers and fathers usually ...
For more than eight years, Colorado State University researchers have studied a vaccine called GonaCon as a safe and humane solution for the overpopulation of wild horses.
As winter in New England seems to get warmer, fall lingers longer and spring comes into bloom earlier, areas like northern New Hampshire and western Maine are seeing an unusual continued increase in winter ticks which are ...
A rescue center says California sea lions are coming down with a potentially fatal bacterial infection in near-record numbers.
Wildlife officials in the southern Australia on Wednesday announced an investigation into the mass death of 58 penguins they believe were killed in a dog attack.
Since the reintroduction of wolves to Yellowstone National Park in 1995, the park's ecosystem has become a deeply complex and heterogeneous system, aided by a strategy of minimal human intervention. The new study is a synthesis ...
Could bats' cave-dwelling nocturnal habits over eons enhanced their echolocation acoustic abilities, but also spurred their loss of vision?
When they first set out to follow grey reef sharks around the Republic of the Marshall Islands (RMI), Darcy Bradley and her colleagues intended to survey their movement in the protected waters there. What they found was a ...
Long ago, sky watchers linked the brightest stars into patterns reflecting animals, heroes, monsters and even scientific instruments into what is now an official collection of 88 constellations. Now scientists with NASA's ...
When Australian scientists presented evidence in 2016 of life on Earth 3.7 billon years ago—pushing the record back 220 million years—it was a big deal, influencing even the search for life on Mars.
A new collaborative study has investigated Arctic shrub-snow interactions to obtain a better understanding of the far north's tundra and vast permafrost system. Incorporating extensive in situ observations, Los Alamos National ...
An international team of researchers has investigated a peculiar extragalactic radio source known as IC 1531. The new study analyzes the nature of IC 1531's high-energy emission, suggesting that the source is a radio galaxy. ...
In a new study, researchers at Northwestern, Harvard and Yale universities examined the shape of an electron's charge with unprecedented precision to confirm that it is perfectly spherical. A slightly squashed charge could ...
Researchers from the University of Leeds studying fossil data surrounding the Permo-Triassic (P-Tr) extinction of 252 million years (Ma) ago found that a marine ecosystem, in comparison with the taxonomic genera that comprise ...
An international team of astronomers has discovered a titanic structure in the early Universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive ...
Collimated jets provide astronomers with some of the most powerful evidence that a supermassive black hole lurks in the heart of most galaxies. Some of these black holes appear to be active, gobbling up material from their ...
A RUDN physicist demonstrated how to describe the shape of any symmetrical wormhole—a black hole that theoretically can be a kind of a portal between any two points in space and time—based on its wave spectrum. The research ...
New research from North Carolina State University and the University of Copenhagen finds that more bacterioplankton utilize vitamin B1 or B1 precursors from their environment than synthesize their own. The researchers also ...
There just aren't enough kidney transplants available for the millions of people with renal failure. Aside from a transplant, the only alternative for patients is to undergo regular dialysis sessions to clear harmful cellular ...
The Moon may be the key to unlocking how the first stars and galaxies shaped the early universe.
The Big Bang has captured our imagination like no other theory in science: the magnificent, explosive birth of our Universe. But do you know what came next?
New research by a team led by an astrophysicist at the University of Warwick has a way of finally telling whether newly forming planets are migrating within the disc of dust and gas that typically surrounds stars or whether ...
How our bodies handle glucose—the simple sugar that provides energy from the food we eat—appears to be intertwined with how cells keep themselves functioning normally, according to new University of Chicago research.
A chemist from RUDN was the first to use catalysts with ruthenium nanoparticles to obtain hydrogen under the influence of visible light and UV radiation. In the future, such catalysts may be used for large-scale production ...
When it comes to non-equilibrium physics, not all assumptions are created equal. At least, those are the latest findings from NC State physicist Lex Kemper and colleagues from NC State and Georgetown University.
A research team from the University of Göttingen has commissioned a worldwide unique microscope combination at DESY's X-ray source PETRA III to gain novel insights into biological cells. The team led by Tim Salditt and Sarah ...
The Beaufort Gyre is an enormous, 600-mile-wide pool of swirling cold, fresh water in the Arctic Ocean, just north of Alaska and Canada. In the winter, this current is covered by a thick cap of ice. Each summer, as the ice ...
Flash drought is a rapidly intensifying water deficit process accompanied by high temperatures in a short period of time. Recently, heat extremes have become more frequent in a warming climate, and have substantially increased ...
Graphene Flagship researchers have shown in a paper published in Science Advances how heterostructures built from graphene and topological insulators have strong, proximity induced spin-orbit coupling which can form the basis ...
In the search for highly active and inexpensive electrocatalysts, two reactions pose a particular challenge: the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Both are important for the development ...
Scientists say there is not yet enough evidence to conclude that microplastics do or do not cause harm to the environment, following a review of more than 300 global studies.
When astrophysicists look at the gamma-ray glow from a galaxy outside our own, all they typically see is a small spot because the galaxy is extremely far away. So, when a galaxy appears as an extended blob, something extraordinary ...
Hacker attacks on everything from social media accounts to government files could be largely prevented by the advent of quantum communication, which would use particles of light called "photons" to secure information rather ...
Just like their biological counterparts, hardware that mimics the neural circuitry of the brain requires building blocks that can adjust how they synapse, with some connections strengthening at the expense of others. One ...
Climatologists may be unable to accurately predict regional climate change over the North Atlantic because computer model simulations have failed to accurately include air pressure changes that have taken place in the Greenland ...
IIASA and the Integrated Assessment Modeling Consortium (IAMC) have made the scenarios underlying last week's Intergovernmental Panel on Climate Change (IPCC) 1.5°C Special Report publicly available in an interactive online ...
From Venice and the tower of Pisa to the medieval city of Rhodes, dozens of UNESCO World Heritage sites in the Mediterranean basin are deeply threatened by rising sea levels, researchers warned Tuesday.
Winds blowing across snow dunes on Antarctica's Ross Ice Shelf cause the massive ice slab's surface to vibrate, producing a near-constant set of seismic "tones" scientists could potentially use to monitor changes in the ice ...
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