Search Results for: Bears
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6,775 results for: Bears
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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 -
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 -
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 -
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 -
Psychology
Males, females swap sex-role stereotypes
Analysis finds that mating strategies are not universal
By Bruce Bower -
Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
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Life
Extreme preservation gives fly’s eye view
The cell-by-cell detail of a 45 million-year–old retina is preserved in amber
By Susan Milius -
Health & Medicine
Telomere enzyme a likely key to longevity
Study with the telomerase enzyme gives mice a longevity boost without high cancer risk.
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Agriculture
Candy cane strategy sweetens life for goldenrods
Goldenrods temporarily duck their heads during pest season
By Susan Milius -
Humans
Taking trophy heads close to home
Members of the prehistoric Nasca culture in southern Peru took trophy heads from their own people rather than from foreigners captured in wars or raids, a new biochemical analysis suggests.
By Bruce Bower