6,899 results
6,899 results for: Bears
- Animals
Bite This: Borrowed toad toxins save snake’s neck
An Asian snake gets toxins by salvaging them from the poisonous toads it eats.
- Earth
Hibernation concentrates chemicals
Some pollutants accumulate in grizzlies during the bears' hibernation.
- Anthropology
Ancient Slow Growth: Fossil teeth show roots of human development
An extended period of childhood evolved in people at least 160,000 years ago.
- Paleontology
Forest Primeval: The oldest known trees finally gain a crown
Recently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps.
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Talk to the Hand: Language might have evolved from gestures
Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.
- Physics
Invisible Trail: Analyzing the vortices in the wake of a bat
Flying bat generate lift and thrust with their wings much differently than birds do.
- Humans
Extreme Encyclopedia: Every living thing will get its own page
A consortium of museums and laboratories has unveiled plans to create a free, Web-based Encyclopedia of Life with an entry for every living species.
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Fly Moves: Insects buzz about in organized abandon
Fruit flies display a penchant for spontaneous behavior that represents an evolutionary building block of voluntary choice, also known as free will, a controversial study suggests.
- Earth
Using seismometers to monitor glaciers
Seismic instruments could be used to estimate the amount of ice that shears away from glaciers as they flow into the sea, offering a way to better estimate sea level rise due to the breakup of those ice masses.
- Health & Medicine
Fluorine highlights early tumors
Microscopic, fluorine-packed particles can make small, cancerous growths easier to detect.
- Animals
Den Mothers: Bears shift dens as ice deteriorates
As Arctic ice has dwindled, pregnant polar bears in northern Alaska have become more likely to dig their birthing dens on land or nearshore ice than on floating masses of sea ice.
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