Fungi, Feces Show Comet Didn’t Kill Ice Age
Mammals?
Image courtesy AGU
John Roach
for National Geographic News
Published June 22, 2010
Excerpted:
What About the Nanodiamonds?
In fact, most experts acknowledge that carbon spherules are found throughout the geological record, including biological forms associated with wildfires, said James Kennett, an emeritus geologist at the University of…
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