6,898 results
6,898 results for: Bears
- Humans
Intel Science Talent Search picks top 40
High school researchers to present original work in Washington, D.C.
- Life
Running a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
- Life
Hibernation mystery
Somehow overwintering bears slow their metabolic rates far more than their slightly decreased body temperatures would predict.
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2011 AAAS meeting: Science without borders
A round-up of Science News coverage of the the American Association for the Advancement of Science meeting held February 17–21, 2011 in Washington, D.C.
- Health & Medicine
Digging into the roots of lupus
Two new studies implicate common white blood cells called neutrophils in this autoimmune disease.
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- Humans
Go east, ancient tool makers
New finds put African hand ax makers in India as early as 1.5 million years ago.
- Chemistry
Molecules/Matter & Energy
Sulfur found in life's possible early building blocks, plus fingerprint clues and frozen blood in this week's news
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Limiting Damage: Fragile X symptoms modulated in mice
Reducing activity of a gene in mice alleviates many of the symptoms of fragile X syndrome, a genetic defect that causes mental retardation in people.
- Paleontology
Struck from above
Evidence of an extraterrestrial object striking Earth at the height of the last ice age comes from micrometeorites embedded in the tusks of creatures that were grazing the Alaskan tundra when the object burst in the air above.
- Animals
Butterfly’s clock linked to compass
The most detailed look yet at the monarch butterfly's daily rhythm keeper suggests it's closer to ancient forms than to the fruit fly's or mouse's inner clock.
- Health & Medicine
Getting the Red Out: Drug improves kids’ psoriasis symptoms
The rheumatoid arthritis drug etanercept clears up psoriasis in children and may become the first systemic medication for the ailment in youngsters.
