Students find mastodon bone Animals extinct for 10,000 years An
11-year-old from Michigan said he is going to really wow his
schoolmates Friday with the "coolest" show-and-tell item
anyone's ever brought to the sixth grade. After all, it's not
every day you get to show off a 13,000-year-old mastodon bone
you and your cousin found in a stream behind your backyard. "I
thought it was a rock at first, but a couple minutes later I
looked more at it, and I didn't think it was a dinosaur bone,
but I wasn't sure," Eric Stamatin of Shelby Township Michigan
told CNN on Thursday. He and Andrew Gainariu, 11, from Troy,
Michigan, were hunting for crayfish in the stream that extends
from the middle branch of the Clinton River, as they often did,
when they "got bored" and decided to build a dam. They made an
extraordinary discovery that June day. John Zawiskie, a
geologist and paleontologist at the Cranbrook Institute of
Science confirmed in early November that what the "kids just
being kids outside" discovered was not a ro