This documentary tracks the quest for the oldest human footprints in North America, and what they can tell us about when people first arrived on the continent
GBH/NOVA/WGBH
Ice Age Footprints
Directed by Bella Falk and David Dugan
On PBS on 25 May at 9PM EST, then streaming at pbs.org/nova
IN January 2020, in a secret location within White Sands Park, New Mexico, geologists Kathleen Springer and Jeffrey Pigati began to dig out a trench in search of ancient human footprints. They hoped to shed light on two long-standing questions about the history of humans in North America: how long ago did people first arrive, and did humans …