5,510 results
5,510 results for: Forests
- Anthropology
Searching for the Tree of Babel
Researchers are using new methods of comparing languages to reveal information about the ancestry of different cultural groups and answer questions about human history.
- Anthropology
Earliest Ancestor Emerges in Africa
Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.
- Chemistry
Feline stimulant fends off mosquitoes
Preliminary results suggest that catnip may be more effective at repelling mosquitoes than the widely used chemical DEET.
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Shut up! A thunderstorm’s on the way
The narrow-leafed gentian, a mountain blossom, is the first flower shown to close when a thunderstorm apporaches.
- Anthropology
A Fair Share of the Pie
A cross-cultural project suggests that people everywhere divvy up food and make other economic deals based on social concepts of fairness, not individual self-interest.
- Physics
Catch a Wave
Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.
- Animals
Condor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
- Ecosystems
Another World Hides inside Coral Reefs
The first systematic survey of crevices inside Red Sea reefs reveals abundant filter feeders that may capture significant nutrients for the reef.
- Earth
The Mountain
Tall, steep slopes, a crest of glacial ice that's larger than that on any other mountain in the lower 48 United States, and a burgeoning population in its surrounding valleys combine to make Washington state's Mt. Rainier the most dangerous volcano in America.
- Animals
Bat bites bird. . .in migration attacks
The largest bat in Europe may hunt down migrating birds.
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From the August 8, 1931 issue
TWO ARISTOCRATIC LADIES EMERGE FROM RETIREMENT There is something about newly-emerged silkworm moths that makes one think of the ladies of Cathay or Cipangu, long ago and far away, clothed in silk spun by ancestors of todays silk worms. In the cover picture of this weeks Science News Letter, Cornelia Clarke has made an admirable […]
- Earth
Ancient tree rings reveal past climate
Using tree-ring analysis, an international team of researchers has reconstructed the earliest record of annual climate variation.
