Add Yahoo as a preferred source to see more of our stories on Google. A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking ...
A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of ...
A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking along a Florida beach when she says she spotted a giant tooth that once ...
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