6,871 results
6,871 results for: Bears
- Animals
Oops, missed that fossil iridescence
Nanostructures on a preserved feather offer the first fossil evidence of bird colors not from pigments, a new study says.
- Life
Briny deep basin may be home to animals thriving without oxygen
Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say.
- 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
Mummies reveal heart disease plagued ancient Egyptians
CT scans of preserved individuals show hardening of arteries similar to that seen in people today.
- Earth
Small earthquakes may not predict larger ones
Quakes far from tectonic plate boundaries may simply be aftershocks of ancient temblors.
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Birth of the beat
Music’s roots may lie in melodic exchanges between mothers and babies.
- Space
Chemical fingerprint found for planet hunting
The amount of lithium in the atmosphere of sunlike stars is a powerful indicator of whether such stars have planets, a new study reveals.
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Fat chance
Scientists are working out ways to rev up the body’s gut-busting machinery.
- Chemistry
The skinny on indoor ozone
Indoor concentrations of ozone tend to be far lower than those outside, largely because much gets destroyed as molecules of the respiratory irritant collide with surfaces and undergo transformative chemical reactions. New research identifies a hitherto ignored surface that apparently plays a major role in quashing indoor ozone: It’s human skin. And while removing ozone from indoor air should be good, what takes its place may not be, data indicate.
- Climate
Polar Bear Fallout
Why fights are likely to break out in the next few months to years between industry, environmental advocates, and the feds as regulations are developed, and litigated, over how to conserve declining numbers of polar bears.
- Humans
Bear deadline
Court calls for the already overdue decision on listing polar bears as a threatened species.
- Humans
Newborn babies may cry in their mother tongues
Days after birth, French and German infants wail to the melodic structure of their languages.
