By David Rothenberg
Posted 05.21.2008 at 4:09 pm 2 Comments
Humpback whales sing some of the most beautiful songs in the animal world. It’s not just “woo, woo, woo”—their songs last 10 to 15 minutes and have a definite form, usually consisting of five or six unique phrases. Only the males sing, which has led many scientists to theorize that they croon to attract females. The hole in this argument, though, is that no one has ever seen a female whale show any interest in a male’s song.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.