7,847 results
7,847 results for: Geology
- Earth
Huge quakes may foretell smaller, human-caused ones
Distant powerful temblors triggered ominous activity at wastewater injection sites.
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- Humans
Eruption early in human prehistory may have been more whimper than bang
If Hollywood’s right, the apocalypse will be brutal. Aliens, nuclear war, zombies, plague, enslavement by supersmart robots — none of them are good endings. Some archaeologists, however, believe an apocalypse has already come and gone. About 75,000 years ago, they say, a monster volcanic eruption nearly wiped out humankind, leaving behind only a few thousand people to […]
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Science Past from the issue of December 1, 1962
NEW DATING METHOD FOR MILLION-YEAR-OLD FOSSILS — A new radioactive dating method promises to close one of the major remaining gaps in methods of fixing dates on the geological and archaeological time scales. The new procedure, based on radioactive inequality in nature between uranium-234 and its parent U-238, was originated by David Turber of Columbia’s […]
- Environment
Atomic ant sand
Robb Hermes asked for sand ants to get samples of Trinitite, a material created in the test blasts of the first atomic bomb.
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- Earth
Quakes may bring nearby rocks closer to rupture
Lab studies could explain how a seemingly stable geologic fault can fail.
- Quantum Physics
Quantum timekeeping
Recent advances in controlling the quantum behavior of particles have inspired physicists to dream of a global clock that would tell the same time everywhere. It would be hundreds of times as accurate as current atomic clocks.
- Earth
Groundwater isolated for eons
At least 1.5 billion years after it last saw the surface, flowing liquid may host life.
- Climate
Grape expectations
Global warming has delivered long, warm growing seasons and blockbuster vintages to the world’s great wine regions. But by mid-century, excessive heat will push premium wine-making into new territory.
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- Humans
Obama seeks R&D funding boost in tough times
The administration’s proposed budget for fiscal year 2014 lifts nondefense research spending by 9 percent.
