Search results for Sharp

Plants & Animals 18 hours ago

Study sheds new light on how Scotland's beavers interact with the environment

A study by the University of Stirling has shed new light on how beavers reintroduced to Scotland indirectly interact with deer—and the implications for the woodlands they share.

Plants & Animals Apr 30, 2024

Alpacas found to be the only mammal to directly inseminate the uterus

A pair of biologists from Mount Holyoke College, working with a colleague from North American Camelid Studies Program, the Nunoa Project, has found that the male alpaca thrusts his penis all the way into the uterus of the ...

Plants & Animals Apr 29, 2024

Long snouts protect foxes when they dive headfirst into snow, study finds

When hunting for mice in winter, red and Arctic fox are known to plunge headfirst at speeds of 2–4 meters per second, but their sharp noses reduce the impact force in snow and protect them from injury, according to a new ...

Astronomy Apr 24, 2024

NASA's Chandra releases timelapse movies of Crab Nebula and Cassiopeia A

New movies of two of the most famous objects in the sky—the Crab Nebula and Cassiopeia A—are being released from NASA's Chandra X-ray Observatory. Each includes X-ray data collected by Chandra over about two decades. ...

Social Sciences Apr 24, 2024

No laughing matter, unfortunately: Why aggressive humor might pay for CEOs

Humor is central to human interaction and social perception. However, hardly any research has looked at how humor works in top management communication. This is where a new conceptual study comes in. Titled "Good Fun or Laughingstock? ...

Plants & Animals Apr 22, 2024

Backyards, urban parks support bird diversity in unique ways

Researchers tracked bird diversity in public parks and private backyards in twin cities in Illinois with significantly different development histories and green space management practices. They found that birds rely on both ...

Biotechnology Apr 22, 2024

New super-resolution microscopy approach visualizes internal cell structures and clusters via selective plane activation

To study living organisms at ever smaller length scales, scientists must devise new techniques to overcome the so-called diffraction limit. This is the intrinsic limitation on a microscope's ability to focus on objects smaller ...

Analytical Chemistry Apr 22, 2024

Researchers uncover kinky metal alloy that won't crack at extreme temperatures at the atomic level

A metal alloy composed of niobium, tantalum, titanium, and hafnium has shocked materials scientists with its impressive strength and toughness at both extremely hot and cold temperatures, a combination of properties that ...

General Physics Apr 18, 2024

Smoother surfaces make for better accelerators

With every new particle accelerator built for research, scientists have an opportunity to push the limits of discovery. But this is only true if new particle accelerators deliver the desired performance—no small feat in ...

Earth Sciences Apr 18, 2024

Dense network of seismometers reveals how the underground ruptures

The idea that earthquakes release stress by a single strong quake along a single fault plane may need to be corrected. A recent study by researchers from the Karlsruhe Institute of Technology (KIT) with the participation ...

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