11.28.2006

Let the paleo-brouhaha begin

RedOrbit: Study Finds that a Single Impact Killed the Dinosaurs:

"Data supports the single-impact theory in a controversial discussion

COLUMBIA, Mo. – The dinosaurs, along with the majority of all other animal species on Earth, went extinct approximately 65 million years ago. Some scientists have said that the impact of a large meteorite in the Yucatan Peninsula, in what is today Mexico, caused the mass extinction, while others argue that there must have been additional meteorite impacts or other stresses around the same time.

A new study provides compelling evidence that 'one and only one impact' caused the mass extinction, according to a University of Missouri-Columbia researcher.

'The samples we found strongly support the single impact hypothesis,' said Ken MacLeod, associate professor of geological sciences at MU and lead investigator of the study."

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