Search Results for: Polar Bears
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604 results
604 results for: Polar Bears
- 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.
- Oceans
Sea ice algae drive the Arctic food web
Even organisms that don’t depend on sea ice depend on sea ice algae, a new study finds. But Arctic sea ice is disappearing.
- Animals
Microbes may help bears stay healthy when fat for hibernation
Brown bears fatten up for hibernation without suffering from weight-related problems. A new study shows that their gut microbes may help.
- Climate
Human CO2 emissions put Arctic on track to be ice-free by 2050
Sea ice is shrinking by about three square meters for each metric ton of carbon dioxide emitted, new research suggests.
- Animals
Study ranks Greenland shark as longest-lived vertebrate
Radiocarbon in eye lenses suggests mysterious Greenland sharks might live for almost 400 years.
- Animals
Color of light sets dung beetles straight
Dung beetles may rely on green and ultraviolet colors in the sky to help orient themselves.
- Animals
Eggs and other land foods won’t feed polar bears
Polar bears will not be able to survive on land by eating birds, eggs and vegetation, a new review concludes.
- 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.
- Animals
Evidence of ‘yeti’ probably came from a Himalayan black bear
Last year, a genetic analysis revealed two hairs from an unknown species of bear in Asia. A new study finds that they belong to rare Himalayan black bears.
- Animals
Animal moms sacrifice a lot — sometimes even themselves
In the animal kingdom, there are bad mothers and good ones — and then there are those that let their kids eat them.
- Animals
Lacking ice, huge walrus herd congregates on Alaska shore
A large group of walruses has hauled out on the beach near Point Lay, Alaska. The animals have been forced onto shore due to a lack of sea ice in the region.
- Genetics
Finally, some solid science on Bigfoot
DNA analysis finds no Bigfoot, no yeti, two weird bears and one scientist on a quest for the truth.
