Tuesday, July 31, 2007

Mollusks Caused Earth's Greatest Mass Extinction

I remember what they taught me in High School -- post hoc, ergo propter hoc:

The rise of mollusks across the globe was a harbinger of doom roughly 250 million years ago, ushering in the most devastating mass extinction in Earth's history, research now reveals.

This clammy conclusion suggests the disaster was long in coming, as opposed to the result of a more catastrophic extraterrestrial cause such as an asteroid impact, scientists added.

Oh wait -- that was a fallacy.

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