The vast majority of the world’s glaciers are retreating as the planet gets warmer. But a few, including ones south of the equator, in South America and New Zealand, are inching forward.
Earth Sciences
Apr 30, 2009
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Crops and other plants are constantly confronted with adverse environmental conditions, lowering yield and costing farmers billions of dollars annually. Plants use specialized signals, called stress hormones, to sense difficult ...
Plants & Animals
Apr 30, 2009
1
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African, American, and European researchers working in collaboration over a 10-year period have released the largest-ever study of African genetic data--more than four million genotypes--providing a library of new information ...
Other
Apr 30, 2009
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Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, ...
Nanomaterials
Apr 30, 2009
1
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The mysterious disappearance of Everett Ruess, a 20-year-old artist, writer and footloose explorer who wandered the Southwest in the early 1930s on a burro and who has become a folk hero to many, has been solved with the ...
Archaeology
Apr 30, 2009
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Stereotypes often paint a partial or false picture of an individual or group.
Social Sciences
Apr 30, 2009
1
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(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking out.
Astronomy
Apr 30, 2009
1
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On 28 April, the final qualification test firing of the third stage solid propellant motor for Europe’s new small launch vehicle took place at the Salto di Quirra Interforce Test Range in Sardinia, Italy.
Space Exploration
Apr 30, 2009
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(PhysOrg.com) -- Stellar explosions called novæ are caused by nuclear reactions between the star's atoms. In order to better understand such violent phenomena, astrophysicists study the radiation emitted by certain types ...
General Physics
Apr 30, 2009
13
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The Oriental Institute at the University of Chicago is using modern technology to digitally record thousands of tablets that, as they are being pieced together, tell an unusually detailed story of the Persian Empire.
Computer Sciences
Apr 30, 2009
1
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