Footprint
In fossilized footprints, evidence of humans, a giant sloth, and ‘the killer blow’
Fossilized footprints in the salt flats of White Sands National Monument, in the southwestern U.S. state of New Mexico, reveal humans walking in the exact footsteps of a giant sloth and then confronting it, possibly hurling spears.
Geo answer
Today we were looking for a desert lake in Africa where scientists recently discovered a set of footprints that’s one-point-five million years old. The answer is Lake Turkana in northern Kenya. Anchor Lisa Mullins gets details from anthropologist John Harris, a member of the team that uncovered the prints.