Search Results for: Bears
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6,875 results for: Bears
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- Astronomy
Explosive Tales
Four hundred years after the explosion of the Kepler supernova, the last such stellar eruption in our galaxy, astronomers have examined the supernova's remnant with state-of-the-art telescopes that view it in infrared, optical, and X-ray light.
By Ron Cowen - Archaeology
Stone Age Combustion: Fire use proposed at ancient Israeli site
A Stone Age site in Israel contains the oldest evidence of controlled fire use in Asia or Europe, from around 750,000 years ago, a research team reports.
By Bruce Bower -
- Animals
Hide and See
A new look at fish on coral reefs considers the possibility that all that riotous color has its inconspicuous side.
By Susan Milius -
Gene Doping
Inserting genes for extra strength or speed could give athletes an unbeatable, and perhaps undetectable, advantage in competitive sports.
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Monkey Love: Male marmosets think highly of sex
A new brain-imaging study in marmosets suggests that males sexually aroused by the scent of females may be thinking carefully before they mate, opposing the notion that nonhuman male mammals act purely upon a primal urge.
- Earth
This pollutant fights lupus
A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.
By Janet Raloff - Earth
Two microbes team up to munch methane
Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.
By Sid Perkins - Earth
Dead Heat
New studies suggest that adverse health effects related to global warming aren't just a theoretical concern for the distant future.
By Sid Perkins -
They’re Sequencing a What?
Announcements of new targets for genome sequencing are bringing celebrity to lesser-known twigs on the tree of life.
By Susan Milius -
The Bad Seed
Researchers are racing to identify tumor-forming stem cells in skin, lung, pancreatic, and many other cancers.
By John Travis