That clover necklace you make for your child could well be a ring of poison. That's because some clovers have evolved genes that help the plant produce cyanide -- to protect itself against little ...

If “cyanide two-ways” sounds like an unappetising dish, you’d do well to stay clear of the bird’s-foot trefoil. This common plant flowers throughout Europe, Asia and Africa, and its leaves are loaded ...

Zygaena caterpillars, which deter hungry birds by storing the poison in their flesh, make cyanide using the exact same cellular machinery as their host plants, scientists report April 12 in Nature ...