NOVA

Humans May Have Lived in North America Earlier Than Thought

Clip: Season 49 Episode 9 | 4m 16s | Video has closed captioning.

Ancient human footprints in White Sands National Park reveal that humans first arrived in North America thousands of years earlier than previously thought.

Aired: 05/25/22

Rating: NR

Problems Playing Video? | Closed Captioning

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