New chemical compound could make humans "invisible" to mosquitoes

It's a breakthrough in the fight against disease-carrying mosquitoes. Researchers have found a chemical that disables the part of the insect's brain that smells humans. Future bug repellents based on the compounds could give people an invisibility cloak against the winged pests. We talked to a scientist who worked on… » 12/06/13 2:05pm 12/06/13 2:05pm