6,899 results
6,899 results for: Bears
- 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
- Chemistry
Deadly mushroom toxin exposed
Researchers have isolated and identified a muscle-destroying compound in some mushrooms.
- Archaeology
Engraved pigments point to ancient symbolic tradition
Analyses of patterns incised on pieces of ancient pigment indicate that people in southern Africa passed along symbolic practices from 100,000 to 75,000 years ago, scientists say.
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- Archaeology
Stone Age flutes found in Germany
Excavations in Germany have unearthed what may be the oldest known musical instruments.
- Physics
Pseudo pores help fling spores
New studies reveal that a thick, soft plant expels its progeny in an unexpected way.
