Deep Look

Silkworms Spin Cocoons That Spell Their Own Doom

Season 9 Episode 7 | 5m 13s | Video has closed captioning.

Those precious silk garments in your closet were made by the caterpillars of a fuzzy white moth – thousands of them. Silkworms spin a cocoon with a single strand of silk up to 10 city blocks long. Humans have bred these insects into weaving machines that can no longer survive in the wild.

Aired: 05/17/22

Rating: NR

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Problems Playing Video? | Closed Captioning