As the hunt for the missing Malaysia Airlines jet continues, experts say it's not surprising that no emergency signals have been picked up — especially if the plane is underwater.
With all the satellite tech of today, why do we still need a black box to figure out what happened?
The first great white shark seen to cross the Atlantic may be pregnant, the head of the expedition tracking it says.
Elephants can tell whether a human poses a threat by listening to his voice and sussing out subtle clues about his age, gender and ethnicity, according to a study released on Monday.
Researchers from the University of Sussex and the Amboseli Trust for Elephants played recordings of human voices to wild elephants in Kenya and watched how they reacted. "Our results demonstrate that elephants can reliably discriminate between two different ethnic groups that differ in the level of threat they represent," the authors said in an article published in the Proceedings of the Nationa