There’s a patent war pending over the invention of the cyanide bomb.
GRAZERS BEWARE Nibble on bird’s-foot trefoil, a plant in the pea family, and you’ll get a mouthful of poisonous cyanide, which dissuades most grazers. A caterpillar known to safely munch on the plant can make cyanide of its own, having independently evolved the same instructions and cellular machinery that the plant uses, scientists now show.
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