A new paper proposes that Homo sapiens may have been responsible for the extinction of Neanderthals not by violence, but through sex instead.
Evolution
Oct 31, 2022
2
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Spring—for many, a time of lifting spirits after those long winter months of short days and cold nights. But for about a third of our population who suffer from hay fever, asthma, or both, spring and early summer can be ...
Environment
Oct 31, 2022
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5
Marking Halloween, we bring you this recent Copernicus Sentinel-2 image of the Halloween Crack in Antarctica.
Earth Sciences
Oct 31, 2022
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20
This 10-cm box will make history as the smallest radar instrument to be flown in space—and the very first radar to probe the interior of an asteroid. Its target? The Dimorphos asteroid, which on the night of 26 September ...
Space Exploration
Oct 31, 2022
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37
In 1877, American astronomer Asaph Hall discovered two small moons circling the planet Mars, later named Phobos and Deimos after the Greek for "fear" and "panic."
Space Exploration
Oct 31, 2022
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45
Metamaterials and metaoptics offer a broad dimension to explore exotic functionalities in physics and optics. In a new report now published in Science Advances, Jie Peng and a team of scientists in physics and interdisciplinary ...
A vast number of biological reactions occur inside cells, generating various byproducts. Some of these can be highly reactive molecules, and if they build up inside cells they can cause stress and damage. One class of these ...
Cell & Microbiology
Oct 31, 2022
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1130
A spooky spider web, magical dragons or wispy trails of ghosts? What do you see in this image of the Vela supernova remnant? This beautiful tapestry of colors shows the ghostly remains of a gigantic star, and was captured ...
Astronomy
Oct 31, 2022
0
149
Preliminary research data suggest warmer temperatures and increased salt levels might have negative effects on the behavior and physiology of school sharks. A clear indicator of physiological changes is higher levels of stress ...
Plants & Animals
Oct 31, 2022
0
5
Digger bees lose large amounts of water during flight, which compromises their activity period and survival in the desert heat. Researchers from Arizona State University will present their work this week at the American Physiological ...
Plants & Animals
Oct 31, 2022
0
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