Black bears show surprisingly large and previously unobserved decreases in their metabolism during and after hibernation according to a paper by scientists at the Institute of Arctic Biology at the University of Alaska Fairbanks ...
Plants & Animals
Feb 17, 2011
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(PhysOrg.com) -- Tiny microscopic creatures commonly known as water bears (also called Tardigrades), along with a few other life forms, will be sent to the Martian moon Phobos to test whether organisms can survive for long ...
(PhysOrg.com) -- In the U.S., there is a tradition followed by outgoing presidents: Enact as many new policies as possible -- especially if you think that the incoming president would disapprove. This practice has been used ...
Brown bears foraging for food in the Shiretoko Peninsula of Hokkaido, Japan, have been disrupting tree growth in artificial conifer forests, according to a new study published in Ecology. Researchers compared soil and tree ...
Plants & Animals
Mar 1, 2024
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More time stranded on land means greater risk of starvation for polar bears, a new study indicates.
Plants & Animals
Feb 13, 2024
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27
A Colorado State University experiment spanning more than two decades has found that removal of apex predators from an ecosystem can create lasting changes that are not reversed after they return—at least, not for a very ...
Plants & Animals
Feb 6, 2024
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323
Were dinosaurs already on their way out when an asteroid hit Earth 66 million years ago, ending the Cretaceous, the geologic period that started about 145 million years ago? It's a question that has vexed paleontologists ...
Paleontology & Fossils
Jan 25, 2024
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234
The brown bear is one of the largest living terrestrial carnivores, and is widely distributed across the Northern Hemisphere. Unlike many other large carnivores that went extinct at the end of the last Ice Age (cave bear, ...
Plants & Animals
Jan 24, 2024
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15
Tardigrades—hardy, microscopic animals commonly known as "water bears"—use a molecular sensor that detects harmful conditions in their environment, telling them when to go dormant and when to resume normal life. A team ...
Plants & Animals
Jan 17, 2024
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90
A team of biologists, historians, and Earth and environmental scientists affiliated with multiple institutions in the U.S. has found evidence that contradicts historical accounts of the size and feeding habits of the now-extinct ...
