A tooth recently discovered in Argentina is an incredible 75 millimeters, or nearly 3 inches long. What's more, the tooth belonged to a member of the titanosaurs, a group of gigantic sauropods similar to brachiosaurus and apatosaurus. And it might just be the biggest of the bunch.
Millions of years ago, Europe was a vast savanna full of giraffes, elephants, and rhinos. There was also at least one hominid ape, according to a fossilized tooth recently discovered in Bulgaria. Meet the latest complication in our evolutionary story.
When modern humans left Africa roughly 100 thousand years ago, it was only the last of several waves of hominoid migration that had previously included the likes of Neanderthals and Homo Erectus. Now a tooth in Germany reveals the original hominoid migration.