He opens the video by talking about how fossil hunting can make you feel like a kid flipping through old dinosaur books again ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either. Researchers from Sweden, the US, and the ...