New technique fills gaps in fossil record
University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.
University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.
Evolution
Sep 19, 2011
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A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, according to Penn ...
Energy & Green Tech
Sep 19, 2011
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CT scans of fossil skull fragments may help researchers settle a long-standing debate about the evolution of Africa's Australopithecus, a key ancestor of modern humans that died out some 1.4 million years ago. The study, ...
Archaeology
Sep 19, 2011
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A new study puts an end to the longstanding debate about how archaic birds went extinct, suggesting they were virtually wiped out by the same meteorite impact that put an end to dinosaurs 65 million years ago.
Archaeology
Sep 19, 2011
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Researchers at Oregon State University have shown for the first time that loss of biodiversity may be contributing to a fungal infection that is killing amphibians around the world, and provides more evidence for why biodiversity ...
Ecology
Sep 19, 2011
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Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and collaborators at the Karolinska Institute in Sweden have discovered how an enzyme "knows" where to insert a double bond when desaturating ...
Biochemistry
Sep 19, 2011
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Fancy a signed version of a WikiLeaks diplomatic cable, or a sachet of coffee smuggled out of jail by Julian Assange? Then the cash-strapped whistleblowing website has the auction for you.
Internet
Sep 19, 2011
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Scientists looking to capture evidence of dark matter -- the invisible substance thought to constitute much of the universe -- may find a helpful tool in the recent work of researchers from Princeton University and New York ...
General Physics
Sep 19, 2011
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The biotech industry boosted farming across the globe to the tune of almost $65 billion during the period 1996 to 2009, according to the latest analysis published in the International Journal of Biotechnology. $65 billion ...
Biotechnology
Sep 19, 2011
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When human space explorers reach an asteroid for the first time, NASA figures the experience will be more like swimming in space than walking on the Moon.
Space Exploration
Sep 19, 2011
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