7,846 results
7,846 results for: Geology
- Earth
Yellowstone Rising: Magma floods into chamber beneath park
Some parts of the terrain in Yellowstone National Park have been rising as much as 7 centimeters per year as molten rock wells up beneath the park.
- Earth
Double-acting bacteria immobilize toxic nanoparticles
Bacteria lurking in the bowels of an abandoned Wisconsin mine might help remove toxic metals from polluted water.
- Archaeology
Lake-Bottom Bounty: Some Arctic sediments didn’t erode during recent ice ages
Sediments in a few lakes in northeastern Canada were not scoured away during recent ice ages, a surprising find that could prove a boon to climate researchers.
- Earth
Meteorites on Ice
Join a recent expedition to the Antarctic to search for meteorites. Check out reports from the 2006-2007 trek in the daily expedition blog. Go to: http://geology.cwru.edu/~ansmet/ and http://www.humanedgetech.com/expedition/ansmet2/
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- Archaeology
Muons Meet the Maya
Physicists are exploring the use of muons generated by cosmic rays to explore Mayan archaeological sites and to probe the interiors of volcanoes and shipping containers.
- Earth
O River Deltas, Where Art Thou? Coastal sinking stalls sediment accumulation
The western coast of Siberia lacks river deltas because of the way the terrain has subsided since the end of the last ice age.
- Planetary Science
Muddying the Water? Orbiter drains confidence from fluid story of Mars
New images of Mars diminish the evidence that liquid water has flowed on some parts of the planet, but bolster the case in other places.
- Humans
Letters from the September 1, 2007, issue of Science News
Risk reversal? “Diabetes drug might hike heart risk” (SN: 6/23/07, p. 397) reports 86 heart attacks among 15,560 rosiglitazone (Avandia) users, versus 72 others in a control group of 12,283. A study coauthor then says that “after statistical adjustment, that yields a 43 percent higher risk of heart attacks among rosiglitazone users.” Simple arithmetic would […]
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From the October 16, 1937, issue
Biological prospecting on two remote mesas near the Grand Canyon, a newly described and widespread form of meningitis, and primate fossils from the Crazy Mountains of Montana.
- Humans
Letters from the August 25, 2007, issue of Science News
Where did the chicken cross? “Chicken of the Sea: Poultry may have reached Americas via Polynesia,” (SN: 6/9/07, p. 356) states, “The most likely sea route ran north of Hawaii and down America’s Pacific coast.” The Polynesians were master mariners, so anything is possible, but continuing east from Tonga to South America is an extension […]
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Barely Alive: Ancient bacteria survive in the slow lane
Microbes locked in 500,000-year-old permafrost appear to breathe and show other signs of very slow life.
