Новости за 25.02.2021

An international team of scientists has developed a system that can generate random numbers over a hundred times faster than current technologies, paving the way towards faster, cheaper, and more secure data encryption in today's digitally connected world.

As COVID-19 impacts lives around the world—a new skeleton study is reconstructing ancient pandemics to assess human's evolutionary ability to fight off leprosy, tuberculosis and treponematoses with help from declining rates of transmission when the germs became widespread.

Large carnivores are generally sensitive to ecosystem changes because their specialized diet and position at the top of the trophic pyramid is associated with small population sizes. This in turn leads to lower genetic diversity in top predators compared to animals lower down the food chain. Genetic diversity is very important for a species' ability to survive and adapt to future changes.

The mechanism by which the plant hormone cytokinin controls cell division has been discovered—a breakthrough that significantly improves our understanding of how plants grow.

Paleo-ecologists from The University of New Mexico and at the University of Nebraska-Lincoln have demonstrated that the offspring of enormous carnivorous dinosaurs, such as Tyrannosaurus rex may have fundamentally re-shaped their communities by out-competing smaller rival species.

Army researchers reached a breakthrough in the nascent science of two-dimensional polymers thanks to a collaborative program that enlists the help of lead scientists and engineers across academia known as joint faculty appointments.

A large international team of researchers has proven that fragments of splitting atomic nuclei begin spinning after scission occurs during nuclear fission. In their paper published in the journal Nature, the group describes their experiments, which may one day fully explain why such fragments begin spinning in the first place.

A pair of researchers with the Russian Academy of Sciences and the National Museum of Natural History in the U.S., respectively, has respectively, uncovered the first known example of a rebbachisaurid dinosaur to be found in Asia. Alexander Averianov and Hans-Dieter Sues have written a paper describing their find and where they believe it fits into the dinosaur ancestral tree. It is available on the open access site PLOS ONE.

A study co-authored by scientists at the New England Aquarium has found that known deaths of critically endangered North Atlantic right whales represent a fraction of the true death toll. This comes as the death of a calf and recent sightings of entangled right whales off the southeastern United States raise alarm.

Evolutionary expert Charles Darwin and others recognized a close evolutionary relationship between humans, chimps and gorillas based on their shared anatomies, raising some big questions: how are humans related to other primates, and exactly how did early humans move around? Research by a Texas A&M University professor may provide some answers.

Researchers have perfected the recipe for keeping sea anemone and coral cells alive in a petri dish for up to 12 days. The new study, led by scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science, has important applications to study everything from evolutionary biology to human health.

The genetic tool CRISPR has been likened to molecular scissors for its ability to snip out and replace genetic code within DNA. But CRISPR has a capability that could make it useful beyond genetic repairs. "CRISPR can precisely locate specific genes," says Lacramioara Bintu, an assistant professor of bioengineering at Stanford. "What we did was attach CRISPR to nanobodies to help it perform specific actions when it reached the right spot on DNA."

NASA's Parker Solar Probe captured stunning views of Venus during its close flyby of the planet in July 2020.

A new study from North Carolina State University reveals that the soundscapes of coral reef ecosystems can recover quickly from severe weather events such as hurricanes. The work also demonstrates that non-invasive monitoring is an important tool in shedding further light on these key ecosystems.

COVID-19's impacts on our global food system have affected the food security and nutritional wellbeing of millions of people worldwide, with market closures, supply disruptions, and income and employment losses. Understanding the extent and nature of these impacts will be critical to building resilience to future shocks, particularly in low- and middle-income countries.

Volcanic rock samples collected during NASA's Apollo missions bear the isotopic signature of key events in the early evolution of the Moon, a new analysis found. Those events include the formation of the Moon's iron core, as well as the crystallization of the lunar magma ocean—the sea of molten rock thought to have covered the Moon for around 100 million years after the it formed.

During mating season, male bearded seals make loud calls to attract a mate. How loud? Well, even their "quiet" call can still be as ear-rattling as a chainsaw.