Search Results for: Bears
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6,867 results for: Bears
- Earth
Monster stingrays: Field notes from a global wrangler
A megafish biologist shares what he's learning about a rare freshwater species.
By Janet Raloff -
Aping the Stone Age
Chimp chasers join artifact extractors to probe the roots of stone tools.
By Bruce Bower - Ecosystems
Flowering plants welcome other life
When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.
- Health & Medicine
Epilepsy drug might harm fetuses
Young children born to women who took the drug valproate for epilepsy during pregnancy have lower IQ scores, on average, than children whose moms used a different antiepilepsy medication.
By Nathan Seppa - Health & Medicine
Treating viral heart infections
Viral heart infections respond to interferon treatment, easing cardiomyopathy in some patients.
By Nathan Seppa - Astronomy
They’re calling Obama the ‘science guy’
Speakers at a science forum offered support for the thesis that researchers have found a big ally in the new president.
By Janet Raloff - Space
Planet hidden in Hubble archives
A new way to process images reveals an extrasolar planet that had been hiding in an 11-year-old Hubble picture.
By Ron Cowen - Earth
Danger in the Air
To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity.
By Sid Perkins - Archaeology
Shipwrecks harbor evidence of ancient sophistication
Research on shipwrecks from two ancient, submerged harbors shows that frame-based shipbuilding emerged surprisingly early and then became more sophisticated within a few hundred years.
By Bruce Bower -
Disaster Goes Global
The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
By Sid Perkins - Plants
Landscaper’s darling hybridizes into an environmental nuisance
Variation underlies the Callery pear tree’s transformation .
By Susan Milius - Space
Planet hidden in Hubble archives
A new way to process images reveals an extrasolar planet that had been hiding in an 11-year-old Hubble picture. The technique could shed new light on other telescope images as well.
By Ron Cowen