6,868 results
6,868 results for: Bears
- 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
Oldest hand axes found
Homo erectus may have made both advanced and simple tools 1.76 million years ago.
- 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
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.
- Space
Superdupernovas
A new class of stellar explosion is very bright — and somewhat hard to explain.
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- Psychology
Kids share, chimps stash
Divvying up goods comes easily to 3-year-old kids but not to adult chimps, a finding with evolutionary implications.
