6,900 results
6,900 results for: Bears
- 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
- 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
- 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.
- 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
Gut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
- 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.
- Life
How salmonella helps kill cancer cells
A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.
- Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
-
- Space
Mars shows signs of recent activity
The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.
- Chemistry
Cockroach brains, coming to a pharmacy near you
Insect tissue extracts show antibacterial activity in lab experiments.
- Life
Doing their part by not doing their part
Freeloaders can be good for a community, yeast experiments suggest.
