These newts have the world's sexiest kidneys

Whether it's lion manes, peacock tails, or narwhal horns, secondary sexual characteristics are generally there to set males apart and, theoretically, make them more impressive to potential mates. For red-spotted newts, there's nothing sexier than thick, oozing kidneys. Yes, really. » 4/08/12 10:00am 4/08/12 10:00am