6,900 results
6,900 results for: Bears
- 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.
- Agriculture
Candy cane strategy sweetens life for goldenrods
Goldenrods temporarily duck their heads during pest season
- Humans
Stone Age tools go south
Diamond-mining pits have yielded stone artifacts old enough to suggest that hand axe production started 1.6 million years ago in southern Africa, not just in eastern Africa.
- 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.
- Ecosystems
Flowering plants welcome other life
When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.
- Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
- 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.
- Health & Medicine
Vaccine could protect against virus that causes birth defects
An experimental vaccine against cytomegalovirus has the ability to prevent infection half the time it’s administered, suggesting the vaccine might prevent birth defects the virus can cause.
- 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.
- Humans
In teeth, more cracks are better than one
Cracks in tooth enamel, called tufts, distribute force and shield a tooth from fracture, researchers report.
- 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.
- Plants
Landscaper’s darling hybridizes into an environmental nuisance
Variation underlies the Callery pear tree’s transformation .
