Sperm whales live in structured clans similar to early humans, according to new research.  Hal Whitehead, the sole author of the study and a professor at Dalhousie University, said the clan systems are matrilineal and average...

Flippy is making burgers, Chippy is cooking french fries, and Remy is serving up salads. Customers may not even notice them, but robots are becoming more common behind the counter at fast food kitchens....