6,913 results
6,913 results for: Bears
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Cold Panacea
Two researchers proclaimed 20 years ago that they’d achieved cold fusion, the ultimate energy solution. The work went nowhere, but the hope remains.
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Building Beauty
Deconstructing flowers yields the secrets of petals, scents and hue.
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The iron record of Earth’s oxygen
Scientists are decoding the geological secrets of banded iron formations.
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Aping the Stone Age
Chimp chasers join artifact extractors to probe the roots of stone tools.
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Humans wonder, anybody home?
Brain structure and circuitry offer clues to consciousness in nonmammals.
- 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.
