DevotedSkeptic writes "A seemingly ordinary day at the Transbay Transit Center construction site became a mammoth day of discovery Monday when a mild-mannered crane operator reached deep into the earth and pulled out a tooth.
This was no ordinary tooth. The 10-inch-long brown, black and beige chomper, broken in two and missing a chunk, once belonged to a woolly mammoth, an elephantine creature that roamed the grassy valley that's now San Francisco Bay 10 to 15 thousand years ago in the Pleistocene epoch.
Read more: http://www.sfgate.com/bayarea/article/Mammoth-tooth-found-at-Transbay-dig-3861381.php#ixzz26RHWlcZI"
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