"FIND ME a shark's tooth," Peter Kranz told his daughter. While the paleontologist continued to tell us about the geology of the cliffs around us, his third-grader studied sand at Bayfront Park near ...
Add Yahoo as a preferred source to see more of our stories on Google. Twenty-thousand years ago or so, a wounded male mammoth lay down in ancient California savannah and died. About 30 years old, not ...
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