Open Wide! How Did the Sabre-Toothed Cat use its Teeth?

The sabre-toothed cat, Smilodon, is famous for its enormous pair of canines. But were these blades used for power, or were they precise instruments?

Mammals Max's Random Ramblings

The Crossroads of History: America’s Great Biotic Interchange

Millions of years ago, Central America became an almost unparalleled highway for organism migration.