The second instalment of the BBC’s Walking With series is an epic tale of how mammals came to conquer Earth
The second instalment of the BBC’s Walking With series is an epic tale of how mammals came to conquer Earth
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?
Millions of years ago, Central America became an almost unparalleled highway for organism migration.