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When Ancient Weeds Fooled Us

Season 8 Episode 10 | 11m 37s

During the agricultural revolution, ancient weeds repeatedly evolved to mimic crops, fooling farmers into tending them. Some of today’s familiar plants began as uninvited guests that hid their true identity. This accidental domestication had a dark side, too—alongside helpful plants came hidden enemies.

Aired: 01/26/26
Extras
The cast play a game of "What's in the vet bag?" with sentimental props from the series.
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
Celebrate the legacy of Gene Wilder, the actor behind Willy Wonka and Young Frankenstein.
Stephanie J. Block and Sebastian Arcelus join The Tabernacle Choir for an epic holiday celebration.
Explore the site of the Battle of Camden and its importance to the American Revolution.
Formerly enslaved Americans formed Britain's Colonial Marines unit and marched on Washington, D.C.
A metal detector survey reveals long-lost soldiers at Camden Battlefield.
A musket ball reveals the deadly reality of Revolutionary War combat.
DNA may help identify a soldier killed at the Battle of Camden.
The chimpanzees in Fongoli have adapted humanlike behaviors to survive their environment.
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