It's Okay to Be Smart

Are We All Related?

Season 4 Episode 32 | 6m 6s | Video has closed captioning.

In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Basic math tells us that all humans share ancestors. But you’ll be amazed at how recently those shared ancestors lived. Thanks to genetic data in the 21st century, we’re even discovering that we really are all descended from one mother.

Aired: 05/09/17

Rating: NR

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Problems Playing Video? | Closed Captioning