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| A few months http://ghettotube.in.net/ ghettotube.com Michael D'Emic, from Stony Brook University, New York, and co-workers used the daily layers of dentin, laid down as the dinosaur teeth grew, to determine the working lifetime and replacement rates of these massive herbivores' teeth. |
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Chris |
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2020-01-08 05:54:06 |
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