6,888 results
6,888 results for: Bears
- 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.
- 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.
- Paleontology
Fossilized poop bears tooth marks
Shark-bitten fecal matter probably came from an assault on an ancient croc.
- Humans
Go east, ancient tool makers
New finds put African hand ax makers in India as early as 1.5 million years ago.
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From the Archive
Read the full article (PDF) February 13, 1937 | Vol. 31 | No. 827 Robot Mathematician Solves Nine Simultaneous Equations A ONE-TON machine that in a single action can solve nine simultaneous equations with nine unknowns so complicated in form they might well require days of laborious computation by trained mathematicians has been developed at […]
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