7,844 results
7,844 results for: Geology
- Paleontology
Ancient wood points to arctic greenhouse
Chemical analyses of wood that grew in an ancient arctic forest suggest that the air there once was about twice as humid as it is now.
- Earth
For European lakes, how clean is clean enough?
New research on lakes in Denmark suggests that agriculture has been affecting water quality there for more than 5,000 years.
- Humans
From the August 5, 1933, issue
A MILLION YEARS OF MAN A million years of the past history of man, as he climbed upward through the stone age, are recreated in exhibits and life-sized models and dioramas just placed on view by the Field Museum in Chicago. The exhibits represent the results of years of research, of several museum expeditions, and […]
- Planetary Science
Martian Invasion
If all goes according to plan, three spacecraft—one in December, two in January—will land on the Red Planet, looking for evidence that liquid water once flowed on its surface.
- Paleontology
Secrets of Dung: Ancient poop yields nuclear DNA
Researchers have extracted remnants of DNA from cells preserved in the desiccated dung of an extinct ground sloth.
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What’s Worth Saving?
A fracas over a biological term could have huge consequences for conservation.
- Humans
From the October 4, 1930, issue
alt=”Click to view larger image”> BORNEO MONKEYS IMITATE MEN WITH BOTH NOSE AND VOICE One of nature’s most striking living caricatures is the proboscis monkey that lives in the deep forests of Borneo. A group of these creatures shown as they appear in their home among the branches of a pongyet tree is on exhibition […]
- Humans
From the June 10, 1933, issue
BRAINLIKE STALAGMITES FOUND IN MARYLAND CAVE Stalagmite deposits shaped like human brains have been found on the floor of a newly discovered cave in Mount Etna, near Beaver Creek, Md., about 60 miles from Washington. James H. Benn of the Smithsonian Institution staff, who was detailed to make a geological investigation, brought one of them […]
- Earth
Patterns from Nowhere
Scientists are developing geophysical models that may explain the polygonal patterns that appear in and on the ground in remote regions of the Arctic, Antarctica, and possibly the surface of Mars.
- Earth
Kilauea: 20 years on, it’s still erupting
As of Jan. 3, Kilauea—Hawaii’s Energizer Bunny of volcanic activity—has been erupting continuously for two decades.
- Earth
Sensing a vibe
A sprawling network of seismometers that covers the Los Angeles area could be adapted to provide warning of damaging ground motions from earthquakes in the seconds before those seismic vibes arrive.
- Earth
On Shifting Ground
In earthquake-prone areas of the United States and elsewhere in the world, debates go on over whether—and how much—to reinforce buildings.
