Hard to Believe: Tales from the Animal Kingdom

Scientists at the University of Toronto know how to make fruitflies sexually attractive to flies of both sexes and to different fly species -- by removing the specific hydrocarbon brain cells that produce the pheromones thought to attract sex-specific mates. (Only the choice of partners was modified and not horniness level.)


© 2009 Turner Broadcasting System, Inc. A Time Warner Company. All rights reserved.

truTV.com is part of the Turner Sports and Entertainment Digital Network. Terms & Privacy guidelines