Learn how a 300-million-year-old fossil once thought to be the oldest octopus was reidentified after hidden teeth were ...
In what amounts to a case of mistaken identity, the fossil hid its true nature through decay 300 million years ago, before ...
When scientists want to know what our ancient ancestors ate, they can look at a few things: fossilized animal bones with marks from tools used to butcher and cut them; fossilized poop; and teeth. The ...
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