6,896 results
6,896 results for: Bears
- Climate
Melting ice forces walrus detour
Warming temperatures and shrinking summer ice cover have forced the animals to seek solid ground during feeding season.
- Planetary Science
Water arrived on Earth earlier than thought
Ancient meteorites from the asteroid Vesta indicate that Earth’s water was available before planet formed.
- Planetary Science
A distant planet may lurk far beyond Neptune
Strange orbits in the Kuiper belt revive talk of a Planet X in the solar system.
- 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.
- Paleontology
3-D scans reveal secrets of extinct creatures
Paleontologists can dig into fossils without destroying them and see what’s inside using 3-D scanning. What they’re learning helps bring the past to life.
- Animals
A fish reared out of water walks better
The normally aquatic fish Senegal bichir raised on land suggests how ancient species might have transitioned into terrestrial ones.
- Life
Grizzly bears master healthy obesity
Tuned insulin signals explain how grizzly bears can fatten up for hibernation in the winter without developing diabetes.
- Anthropology
Origins of Egyptian mummy making may predate pyramids
Preservative mixture for mummy wrapping found on linens that covered the dead as early as 6,300 years ago.
- Psychology
Bilingual homes may give babies a learning lift
Hearing two languages during the first six months of life linked to an early mental advantage.
- Genetics
Ancient famine-fighting genes can’t explain obesity
Scientists question the long-standing notion that adaptation — specifically the evolution of genes that encourage humans to hold on to fat so they can survive times of famine — has driven the obesity crisis.
- Animals
Aboriginal lizard hunting boosts kangaroo numbers
An aboriginal technique for hunting lizards with fire in Western Australia feeds wallaroo populations.
- Astronomy
When looking for aliens, try finding their pollution
Future telescopes may discover civilized aliens by detecting the industrial pollutants called fluorinated gases in exoplanet atmospheres.
