Titanoboa is largest snake ever found and lived around 60 million years ago. Image: CC Ryan Quick In an episode titled Graveyard of the Giant Beasts, Secrets of the Dead investigates which creature ...
The extinction of the dinosaurs (birds notwithstanding) 65.5 million years ago marked the dawn of our current geologic era: the Cenozoic, or the "Age of Mammals." But don't let the nickname fool you.
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