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Whether healthy or diseased, human cells exhibit behaviors and processes that are largely dictated by growth factor molecules, which bind to receptors on the cells. For example, growth factors tell the cells to divide, move, ...
The good thing about the short Antarctic summer is it's a lot like a Midwest winter.
When dog-parents spend extra time scratching their dogs' bellies, take their dogs out for long walks and games of fetch, or even when they feel constant frustration over their dogs' naughty chewing habits, they are gradually ...
Wake Forest Institute for Regenerative Medicine (WFIRM) scientists have figured out a better way to deliver a DNA editing tool to shorten the presence of the editor proteins in the cells in what they describe as a "hit and ...
With herbivores, omnivores, carnivores, insectivores, frugivores, scavengers and decomposers, Earth's ecosystems function within a vast web of interactions among plants, animals, insects, fungi and microorganisms. A fundamental ...
Grocery store aisles are stocked with products that promise to kill bacteria. People snap up those items to protect themselves from the germs that make them sick. However, new research from Washington University in St. Louis ...
Conservationists in the Galapagos Islands have found a giant tortoise from a species thought to have become extinct more than a century ago.
Feathers evolved in dinosaurs and are a key characteristic of birds today. They are arranged in a precise hexagonal pattern in a bird's skin, but it has been unclear how this happens. According to a new study published February ...
Bacteria in the gut do far more than help digest food in the stomachs of their hosts, they can also tell the genes in their mammalian hosts what to do.
The world's largest bee—a giant insect roughly the size of a human thumb—has been rediscovered in a remote part of Indonesia in its first sighting in nearly 40 years, researchers said Thursday.
Amphibians are victims of lethal skin-disease epidemics. In the first global-scale study, researchers from 31 universities and research centers, including the Smithsonian Tropical Research Institute (STRI), collected skin ...
How do fruit flies grow their wings? Rutgers scientists discovered a surprising answer that could one day help diagnose and treat human genetic diseases.
An insect's gut might seem an inhospitable place to settle in, but diverse microbes nonetheless make their home there. Yet in the gut, there's a struggle for the nutrients needed to survive among the resident bacteria and ...
Bacteria that are exposed to a hostile environment, for example with antibiotics or very few nutrients, can sometimes survive by 'going to sleep." Biologists from the University of Amsterdam (UvA) have discovered an unknown, ...
Scientists have revealed the African origins of New Zealand's most mysterious giant flightless bird – the now extinct adzebill – showing that some of its closest living relatives are the pint-sized flufftails from Madagascar ...
Researchers in Japan think they have found an answer to the fundamental biological question of how individual cells know which way to position themselves within a complex, multicellular body. Depending on a cell's purpose ...
New published research from the College of Veterinary Medicine shows that heightened levels of genomic instability can prove fatal to female embryos in mice.
For more than a century, the world's oceans have been becoming steadily more acidic as they soak up ever-increasing amounts of carbon dioxide from the atmosphere, and the impacts can be fatal for invertebrates such as shellfish, ...
Biodiversity is one of Earth's most precious resources. However, for most places in the world, scientists only have a tiny picture of what this diversity actually is. Researchers at the German Centre for Integrative Biodiversity ...
The smell of food induces a variety of physiological processes in our body. Thus, the production of saliva and digestive enzymes is stimulated before the actual food intake in order to prepare the gastrointestinal tract for ...
An international team of researchers including The University of Western Australia and China's Central South University of Forestry and Technology has discovered that female golden snub-nosed monkeys in China are happy to ...
Why do zebras have stripes? A study published in PLOS ONE today takes us another step closer to answering this puzzling question and to understanding how stripes actually work.
One of the largest field experiments ever conducted is providing the best evidence yet in support of a key Darwinian theory—that interactions between species are stronger toward the tropics and at lower elevations.
Male flies kept awake do not die earlier than those allowed to sleep, leading researchers to question whether sleep, in flies at least, is essential for staying alive.
Researchers have documented a group of tanner crabs vigorously feeding at a methane seep on the seafloor off British Columbia—one of the first times a commercially harvested species has been seen using this energy source.
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Southeast Asia is the source of 95 percent of global cassava exports, and the detection in 2015 in Cambodia of the potentially harvest-devastating Sri Lankan cassava mosaic virus (SLCMV) raised alarm. By 2016, the disease, ...
Fairy circles are round gaps in arid grassland that are distributed very uniformly over the landscape and only occur along the Namib Desert in southern Africa and in parts of Australia. Various theories circulate about the ...
When the Australian government relocated Martu hunter-gatherers from their Western Australia lands in the 1960s, no one could have predicted the massive impact their absence would have on the desert ecosystem. A new study ...
Each spring, male plainfin midshipman fish (Porichthys notatus) —a kind of toadfish —emerge from the depths of the Pacific Ocean to breed on the beach. They overwhelm the beach at low tide, wedge themselves beneath ...
It is a classic coming-of-age story, in many ways.
How do individuals choose their mates? Why are some more successful at attracting mates than others?
The human genome contains an estimated 20,000 genes coding for proteins. The proteins are the body's "workers," tasked with performing specific functions that are key to survival. Despite their importance, there is a type ...
The number of papers reporting new protein-function discoveries in 2017 declined by two-thirds compared with 2000 output, according to research led by A*STAR.
Researchers at the University of Helsinki uncovered the mechanisms for a novel cellular stress response arising from the toxicity of newly synthesized proteins. Activation of the stress response is at the epicentre of the ...
Species are often involved in complex interactions with other species, which can affect their occurrence, abundance, feeding habits and disease transmission. Observing and studying species interactions can be difficult. To ...
Planting small seeds simply: The allure of the slide hammer seeder
Every winter stink bugs infiltrate homes across the United States and two new studies published in the Journal of Economic Entomology by Virginia Tech researchers may shed some light on ways to keep the pests away.
Skin cells taken from patients with a rare genetic disorder are up to ten times more sensitive to damage from ultraviolet A (AVA) radiation in laboratory tests, than those from a healthy population, according to new research ...
In the United States, the removal of dams now outpaces the construction of new ones—with more than 1,400 dams decommissioned since the 1970s—and a new study suggests that the ecosystem effects of dam removal can be predicted.
The idea that children inherit half of their DNA from each parent is a central tenet of modern genetics. But a team led by KAUST's Christian Frøkjær-Jensen has re-engineered this heredity pattern in roundworms, a commonly ...
The use of stem cells to repair organs is one of the foremost goals of modern regenerative medicine. Scientists at Helmholtz Zentrum München and Ludwig Maximilian University of Munich (LMU) have discovered that the protein ...
A comprehensive and multinational review of peppers/chilis (Capsicum species) with academic and scientific input from points across the globe, such as Argentina, Brazil, Taiwan, Mexico, Italy, Hungary, Austria, and the United ...
An exciting collaboration between the U.S. Department of Agriculture's (USDA) Agricultural Research Service (ARS) and Pheronym (Alachua, FL), will send nematodes (small round worms) into space to the International Space Station ...
Past studies have found that a variety of complex networks, from biological systems to social media networks, can exhibit universal topological characteristics. These universal characteristics, however, do not always translate ...
Metasurfaces are two-dimensional (2-D) metamaterials that can control scattering waves of a light beam. Their applications include thin-sheet polarizers, beam splitters, beam steerers and lenses. These structures can control ...
North Carolina State University researchers have developed a fiber that combines the elasticity of rubber with the strength of a metal, resulting in a tougher material that could be incorporated into soft robotics, packaging ...
Taking their name from an intricate Japanese basket pattern, kagome magnets are thought to have electronic properties that could be valuable for future quantum devices and applications. Theories predict that some electrons ...
Neutron stars are among the densest-known objects in the universe, withstanding pressures so great that one teaspoon of a star's material would equal about 15 times the weight of the moon. Yet as it turns out, protons—the ...
An international research team including astronomers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has combined radio telescopes from five continents to prove the existence of a narrow stream of material, ...
High IQs aren't going to be enough to stop an ecological disaster. It's going to take social intelligence, too.
Many real-world complex systems include macroscopic subsystems which influence one another. This arises, for example, in competing or mutually reinforcing neural populations in the brain, spreading dynamics of viruses, and ...
Researchers have found that liquid has structure in certain circumstances, and that this structure significantly influences the mysterious and complex formation of metallic glasses.
A news report Friday said many smartphone apps were sending highly personal information such as menstrual cycles and body weight to Facebook, without notifying users.
Virgin Galactic's rocket plane reached space for a second time in a test flight over California on Friday, climbing higher and faster than before while also carrying a crewmember to evaluate the long-awaited passenger experience.
Understanding the global carbon cycle provides scientists with vital clues about the planet's habitability.
The Transiting Exoplanet Survey Satellite (TESS) was launched on April 18 of last year with the primary objective of discovering transiting planets smaller than Neptune around stars bright enough for spectroscopic investigations ...
Researchers have engineered "antibody-like" T cell receptors that can specifically stick to cells infected with cytomegalovirus, or CMV, a virus that causes lifelong infection in more than half of all adults by age 40. These ...
New research on an extinct weasel relative reveals what it might have eaten when it lived in North America and Asia about 20 million years ago. The oddly shaped skull of Leptarctus primus has long led to conflicting theories ...
A pair of researchers at Purdue University has found a way to use a diatomic Ni-Ni catalyst to synthesize cyclopentenes. In their paper published in the journal Science, You-Yun Zhou and Christopher Uyeda describe their method ...
Photocatalysts – materials that trigger chemical reactions when hit by light – are important in a number of natural and industrial processes, from producing hydrogen for fuel to enabling photosynthesis.
A new theory could enable researchers and industry to tune and improve the performance of a material called ionic ceramics in rechargeable batteries, fuel cells and other energy applications.
A Japanese probe sent to collect samples from an asteroid 300 million kilometres away for clues about the origin of life and the solar system landed successfully on Friday, scientists said.
UC Berkeley scientists have obtained more precise dates for the Deccan Traps volcanic lava flows, linking peak activity more closely to the asteroid or comet impact 66 million years ago and the coincident mass extinction. ...
In a research breakthrough funded by NASA, scientists have synthesized a molecular system that, like DNA, can store and transmit information. This unprecedented feat suggests there could be an alternative to DNA-based life, ...
JILA researchers have made a long-lived, record-cold gas of molecules that follow the wave patterns of quantum mechanics instead of the strictly particle nature of ordinary classical physics. The creation of this gas boosts ...
Astronomers have conducted observations of a symbiotic star in the Large Magellanic Cloud (LMC), known as LMC S154, which provide new insights about the nature of this object. Results of these observations, presented in a ...
A Japanese spacecraft began its approach Thursday toward a distant asteroid on a mission to collect material that could provide clues to the origin of the solar system and life on Earth.
Oscillating flow and light pulses can be used to create reconfigurable architecture in liquid crystals. Materials scientists can carefully engineer concerted microfluidic flows and localized optothermal fields to achieve ...
A team of Cambridge researchers have found a way to control the sea of nuclei in semiconductor quantum dots so they can operate as a quantum memory device.
An unmanned rocket took off from Cape Canaveral in Florida on Thursday night carrying Israel's Beresheet spacecraft, aiming to make history twice: as the first private-sector landing on the Moon, and the first from the Jewish ...
In a new study from UBC's Okanagan campus, researchers have discovered a surprising new source of carbon dioxide (CO2) emissions—bicarbonates hidden in the lake water used to irrigate local orchards.
Recent advances in battery technology, from the engineering of their cases to the electrochemistry that takes place inside them, has enabled the rapid rise of Teslas, Leafs, Volts and other electric cars.
In the global quest to develop practical computing and communications devices based on the principles of quantum physics, one potentially useful component has proved elusive: a source of individual particles of light with ...
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