6,900 results
6,900 results for: Bears
- Paleontology
Fossilized poop bears tooth marks
Shark-bitten fecal matter probably came from an assault on an ancient croc.
- Earth
Bacteria show new route to making oxygen
New discovery adds to the few known biological pathways for making and metabolically using the gas.
- Planetary Science
Warmth in the dark age
Lower reflectivity kept Earth from freezing under a fainter young sun.
- Anthropology
Inca cemetery holds brutal glimpses of Spanish violence
Bones from a 500-year-old cemetery have yielded the first direct evidence of Inca death at Spaniards’ hands.
- Anthropology
Partial skeletons may represent new hominid
Partial skeletons may represent a new hominid species with implications for Homo origins, one researcher claims. But many of his peers disagree.
- Life
Briny deep basin may be home to animals thriving without oxygen
Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say.
- Anthropology
‘Java Man’ takes age to extremes
New dating of Indonesian strata has produced unexpected results.
- Earth
Earliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
- Anthropology
Contested evidence pushes Ardi out of the woods
A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.
- Space
Jupiter takes yet another hit
For the third time in 16 years, astronomers have documented a collision between Jupiter and a nearby body.
- Earth
Possible snake shortage looms
Declines among species in Europe and Africa raise herpetologists’ worries of widespread population losses.
- Humans
Ancient shoe steps out of cave and into limelight
Excavations in an Armenian cave have uncovered the oldest known leather footwear, a 5,500-year-old shoe.
