Slaughterhouse Scraps Can Be Used to Make Mittens

Swiss scientists discovered a way to warm your hands with slaughterhouse scraps, and it’s not as gross as it sounds.

The butchering process yields a host of byproducts that’ll never be sold in a grocery store, but that doesn’t mean they’re useless. Cast-offs like bone, tendons and skin are rich sources of collagen, and scientists figured out a way to spin yarn from this waste, which can be used to produce clothing.

Waste Not, Want Not
Collagen is the primary component of connective

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