Across the world, humans have told stories of creatures so strange and powerful they blur the line between myth and reality. Some may be echoes of ancient animals long extinct, while others reflect ...

Real Creatures That Convince People They Have Entered a Fairy Tale World ...

Real guppies respond to Robofish—a 3D-printed plastic model with a vaguely realistic paint job—as if it were a real schoolmate. Researchers used different-sized Robofish to show that guppy schools ...