Doctors keep skin grafts in place using parasitic worms

Spiny headed worms are a clingy lot. They're intestinal parasites with long, cactus-like heads that are perfect for penetrating, and then grabbing hold of, the insides of their host's digestive organs. Now, bioengineers have co-opted these hanger-ons' latching mechanisms for something therapeutic: skin grafts. » 4/16/13 9:30am 4/16/13 9:30am