Sea Hare Ink Is One of Nature's Most Unusual Bioweapons

Sea hares are known for the colorful, sticky ink they let loose when knocked around by hungry predators (or mean humans). Scientists already knew a few ways this defense helped these squishy creatures escape the dinner plate. But new research reveals another purpose to the defensive ink, and it's unlike anything else… » 3/27/13 3:20pm 3/27/13 3:20pm