6,899 results
6,899 results for: Bears
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
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Dressing up dinos
Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life.
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In Pursuit of the Briefest Beat
Attosecond pulses of light could open electrons’ fast-paced world.
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Fat chance
Scientists are working out ways to rev up the body’s gut-busting machinery.
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Birth of the beat
Music’s roots may lie in melodic exchanges between mothers and babies.
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Evidence of ancient roots
Though early hominids may have made sweet sounds by banging sticks and stones together, the oldest distinguishable instrument dates to 40,000 years ago. A flute made from vulture bone (shown) and others made from mammoth ivory have been found in Hohle Fels cave near Ulm, Germany, and date from 35,000 to 40,000 years ago. Holes […]
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A New View of Gravity
Entropy and information may be crucial concepts for explaining roots of familiar force.
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Black Holes in the Bathtub
Scientists observe Hawking radiation in unexpected materials.
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2010 Science News of the Year: Genes & Cells
Credit: © Joe McNally/reconstruction by Kennis and Kennis Gene sequencing for all, even Neandertals An unprecedented picture of life’s diversity is emerging as researchers publish the full genetic instruction books of a growing list of species — including one that has been extinct for more than 30,000 years. A project sequencing Neandertal DNA harvested from […]
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Young’uns adrift on the sea
Scientists try to identify and track elusive larvae in a boundless ocean.
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Liquid Acquisition
Two new scenarios ramp up debate over how Earth got its water.
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In the Zone
Evolution may have trained the mind to see scoring streaks — even where they don't exist.
