A unique competition to photograph some of the world's rarest birds has produced incredible pictures. The effort, sponsored by BirdLife International's Preventing Extinctions Program, asked amateur photographers
The gelada makes a bizarre sound that shares a rhythm with the patterns heard in human speech A bizarre sound made by a primate could help to reveal more about the origins of human speech, a study suggests.
The US Navy has been pursuing solid-state laser weapons capable of setting other vessels on fire for years, but now one is almost ready to actually be put out to sea. The Office of Naval Research (ONR)