CHAMPAIGN, Ill. — What's causing all the commotion on Enceladus? Last year, when the Cassini spacecraft discovered an enormous plume erupting on Enceladus, one of Saturn's moons, scientists speculated that liquid water ...
Astronomy
Dec 14, 2006
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Contrary to a popular scientific notion, there was enough mixing in the early solar system to transport material from the sun's sizzling neighborhood and deposit it in icy deep-space comets. It might have been like a gentle ...
Astronomy
Dec 14, 2006
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A heat-loving archaeon capable of fixing nitrogen at a surprisingly hot 92 degrees Celsius, or 198 Fahrenheit, may represent Earth’s earliest lineages of organisms capable of nitrogen fixation, perhaps even preceding the ...
Earth Sciences
Dec 14, 2006
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A new process for chemical patterning combines molecular self-assembly with traditional lithography to create multifunctional surfaces in precise patterns at the molecular level. The process allows scientists to create surfaces ...
Nanomaterials
Dec 14, 2006
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The stars and gas which are seen in galaxies account for only a few percent of the gravitating material in the Universe. Most of the rest has remained stubbornly invisible and is now thought to be made of a new form of matter ...
Astronomy
Dec 14, 2006
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For 21 days in a row, Jules Verne, the first Automated Transfer Vehicle (ATV), has not only survived the most stringent conditions of the space environment, but it has successfully tested on the ground its flight software ...
Space Exploration
Dec 14, 2006
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Penn State researchers have developed an automated system that can determine which "J. Smith" is authoring papers on computer science—the one who teaches at Penn State or the one who teaches at M.I.T—as well as whether ...
Computer Sciences
Dec 14, 2006
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Thanks to ESA’s Venus Express data, scientists obtained the first large-area temperature maps of the southern hemisphere of the inhospitable, lead-melting surface of Venus.
Astronomy
Dec 14, 2006
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In the standard theory of gravity—general relativity—dark matter plays a vital role, explaining many observations that the standard theory cannot explain by itself. But for 70 years, cosmologists have never observed dark ...
