While in Houghton Library, sorting through stacks of old manuscripts and letters from the great naturalist Charles Darwin, history of science graduate student Myrna Perez and lecturer Alistair Sponsel stumbled across something ...
Evolution
Dec 17, 2010
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Rare molecular species like H2D+ and D2H+, built from the hydrogen atom H and its heavier isotope deuterium D have gained great attention as probes of cold and dense molecular cloud cores. Since deuterium in space is about ...
Astronomy
Dec 17, 2010
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(PhysOrg.com) -- Analyzing the isotope ratios of ancient raindrops preserved in soils and lake sediments, Stanford researchers have shown that a wave of mountain building began in British Columbia, Canada about 49 million ...
Earth Sciences
Dec 17, 2010
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Two Kansas State University researchers focusing on rice genetics are providing a better understanding of how pathogens take over a plant's nutrients.
Biotechnology
Dec 17, 2010
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In the most comprehensive analysis of its type published to date, scientists at Pacific Northwest National Laboratory have found that exposing human skin tissue cells, or fibroblasts, to low doses of ionizing radiation regulates ...
Biochemistry
Dec 17, 2010
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Four of Australia’s leading research institutions will collaborate closely over the next three years to fast-track development of new, ‘healthier’, strains of three of the world’s most widely cultivated ...
Biotechnology
Dec 17, 2010
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Almost since the beginning of recorded history, people have used concrete substances in everything from infrastructure to artwork.
Engineering
Dec 17, 2010
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The little known history of the Chinese in Mexico — one that is marked by a bloody massacre and a successful effort to shut down Chinese-owned businesses in one Mexican state — is documented for the first ...
Other
Dec 17, 2010
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What led to water on the interior of the Moon or the formation of the Borealis basin that covers 40 percent of the surface of Mars? And what caused at least some of Earth’s tilt — without which there would be no ...
Space Exploration
Dec 17, 2010
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(AP) -- NASA fueled space shuttle Discovery at the launch pad Friday, not for flight but rather for testing to understand the mysterious cracking that occurred last month.
Space Exploration
Dec 17, 2010
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