Search results for drag force

Ecology May 8, 2024

Human activity is making it harder for scientists to interpret oceans' past

New research shows human activity is significantly altering the ways in which marine organisms are preserved, with lasting effects that can both improve and impair the fossil record. The findings are published in the journal ...

Ecology Apr 25, 2024

How do birds flock? Researchers do the math to reveal previously unknown aerodynamic phenomenon

In looking up at the sky during these early weeks of spring, you may very well see a flock of birds moving in unison as they migrate north. But how do these creatures fly in such a coordinated and seemingly effortless fashion?

Space Exploration Apr 17, 2024

NASA to hoist its sail: Solar sail mission gets ready for launch

A NASA mission testing a new way of navigating our solar system is ready to hoist its sail into space—not to catch the wind, but the propulsive power of sunlight. The Advanced Composite Solar Sail System is targeting launch ...

General Physics Apr 16, 2024

Physicists explain, and eliminate, unknown force dragging against water droplets on superhydrophobic surfaces

Microscopic chasms forming a sea of conical jagged peaks stipple the surface of a material called black silicon. While it's commonly found in solar cell tech, black silicon also moonlights as a tool for studying the physics ...

Archaeology Apr 8, 2024

How conspiracy theories around George III's madness and Queen Charlotte's scheming took hold

During the Georgian period, the British royal family had a strange habit of concealing illness, even from themselves.

Plants & Animals Apr 4, 2024

A natural history of the Red Sea and the uncertain future of its corals

Early in May 2023, a small team of marine biologists arrived in the Saudi Arabian city of Jeddah. They'd flown into the local airport from Guam, the United States, Portugal, Spain and Japan, and they'd soon rendezvous with ...

Ecology Mar 26, 2024

Artificial reef designed by engineers could protect marine life, reduce storm damage

The beautiful, gnarled, nooked-and-crannied reefs that surround tropical islands serve as a marine refuge and natural buffer against stormy seas. But as the effects of climate change bleach and break down coral reefs around ...

Ecology Mar 26, 2024

Using suction cups inspired by fish to listen in on whale conversations

In their ambitious goal to understand and ultimately communicate with sperm whales, research scientists from Project CETI have enlisted the help of unlikely collaborators—clingfish.

Economics & Business Mar 20, 2024

If TikTok is banned in the US or Australia, how might the company respond?

TikTok's owner is once again navigating troubled waters in the United States, where the US House of Representatives has issued an ultimatum: divest or face shutdown within six months.

Space Exploration Mar 8, 2024

CSI in space: Analyzing bloodstain patterns in microgravity

As more people seek to go where no man has gone before, researchers are exploring how forensic science can be adapted to extraterrestrial environments.

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