6,871 results
6,871 results for: Bears
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- Psychology
Same face, different person
Photos of a stranger’s mug can look like many unfamiliar people to an observer, complicating facial recognition research.
- Chemistry
Unusual crystal patterns win chemistry Nobel
First rejected as impossible, the discovery that atoms can pack in subtly varied patterns forced revisions of fundamental concepts.
- Humans
Sarah’s tale of Arctic warming
Over a half-century or so, Sarah James' town of some 150 Athabascan Indians has watched as the formerly extreme but fairly predictable climate in this amazingly remote region of inland Alaska has become warmer and more erratic. Overall, that’s definitely not been a change for the better, she says. James ventured to South Florida this week — and the Society of Environmental Journalists’ annual meeting — to describe what it’s like to weather life on the frontlines of climate change.
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Book Review: Feathers: The Evolution of a Natural Miracle by Thor Hanson
Review by Sid Perkins.
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- Humans
Study recalibrates trees’ carbon uptake
Photosynthesis appears to be somewhat speedier than conventional wisdom had suggested, a new study finds. If true, this suggests computer projections are at risk of overestimating the potential for trees to sop up carbon dioxide, a major greenhouse gas.
- Humans
Oldest hand axes found
Homo erectus may have made both advanced and simple tools 1.76 million years ago.
- Humans
Infected bats can recover . . . with lots of help
Researchers reported new data today confirming that with enough coddling, many heavily infected bats can recover. The rub: These scientists also pointed out that there really aren’t sufficient resources to save more than a handful this way.
- Neuroscience
Self as Symbol
The loopy nature of consciousness trips up scientists studying themselves.
- Space
Mars’ history is a fluid situation
Recent data from two spacecraft suggest the planet was mostly dry and cold, with a wet, warm subsurface.
