6,773 results
6,773 results for: Bears
- Climate
Year in review: Sea ice loss will shake up ecosystems
Researchers are studying the complex biological consequences of polar melting and opening Arctic passageways.
- Animals
Polar bears’ ‘walking hibernation’ not much of an energy saver
Summer’s “walking hibernation” doesn’t shut down polar bears as much as winter does.
- Life
Yeasts hide in many lichen partnerships
Yeasts newly discovered in common lichens challenge more than a century of thinking about what defines the lichen symbiosis.
- Animals
Feral dogs take a bite out of Andean wildlife
A survey of a remote park in Ecuador finds feral dogs are a problem for many species of native mammals.
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- Paleontology
Fossil reveals an ancient arthropod’s nervous system
A roughly 520-million-year-old fossil preserved an ancient arthropod’s ventral nerve cord and peripheral nerves.
- Life
‘Wild Ways’ showcases need for wildlife corridors
The TV documentary 'Wild Ways' shows how wildlife corridors bridge the gap between isolated populations of animals.
- Paleontology
With dinosaurs out of the way, mammals had a chance to thrive
The animals that lived through the great extinction event had a range of survival strategies to get them through.
- Life
How Paralympic sprinters lose speed on curves
Amputee runners may lose more speed on curves when the leg on the inside of the curve is the one bearing a prosthetic, a biomechanics study finds.
- Animals
As panda baby grows, mom’s milk changes
In the first month after a mama panda gives birth, her milk changes in composition, a new study finds.
- Science & Society
Readers debate gun violence research and more
Gun violence research, plaque-busting sugar and more in reader feedback.
- Animals
Ant-eating bears help plants
A complex web of interactions gives a boost to rabbitbrush plants when black bears consume ants.
