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http://www.partrickorthodontics.com/blog/this-pic-is-a-tad-misleading-because-i-think-these-are-sharks-teeth-but-this-article-is-about-fossils-human-teeth-and-possibly-a-shift-in-what-scientists-think-about-humans-9-7-million-yea/
This pic is a tad misleading because I think these are #shark's teeth - but this article is about #fossils, #human #teeth and possibly a shift in what #scientists think about humans!! 9.7 million years old!!! http://ift.tt/2gp9uU1 photo credit 2211438 @pixabay