19/09/2011

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.

Primitive birds shared dinosaurs' fate

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.

Long-standing plant biochemistry mystery solved

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 ...

WikiLeaks auctions memorabilia to raise funds

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.

Black hole, star collisions may illuminate universe's dark side

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 ...

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