6,895 results
6,895 results for: Bears
- Archaeology
Lucy’s kind used stone tools to butcher animals
Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.
- Health & Medicine
Gut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
- Health & Medicine
Everyone poops his or her own viruses
The viral denizens of a person’s intestines are unique and don’t change much over time, a study suggests.
- Health & Medicine
For most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.
- Animals
Climate change may favor couch-potato elk
With drought and rising temperatures in Wyoming, migratory animals suffer while stay-at-home members of the same herd thrive
- Space
All flash, no crash
New Hubble Space Telescope images confirm that Jupiter emerged unscathed from an impactor that created a fireball above the planet’s cloud tops on June 3. The new images indicate that the object exploded as a meteor in the planet’s upper atmosphere rather than plunging into the atmosphere
- 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.
- Earth
Possible snake shortage looms
Declines among species in Europe and Africa raise herpetologists’ worries of widespread population losses.
- Space
Jupiter takes yet another hit
For the third time in 16 years, astronomers have documented a collision between Jupiter and a nearby body.
- Anthropology
Contested evidence pushes Ardi out of the woods
A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.
- Earth
Earliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
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I’ve often wondered about packing circles and have always assumed that it would get into messy numbers very quickly. Your article is a charming revelation. It says that if a, b, and c are integers, d will be one, too. I think this is true only if a, b, and c bear some relationship to […]
