Borderless North

Colgate University Visits Adirondacks To Study Earthworms

Special | 6m 20s

Worms, WORMS, WORMS! Sad but true---those lowly, wriggling saints of the natural world, hailed as creators and saviors of the soil since the days of Charles Darwin, are now known to represent an Evil Empire. Well, maybe not evil. But it turns out that most North American earthworms were introduced from other continents.

Aired: 09/04/13

Rating: NR

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