Two scientists at New York University, Dr. Leif Ristroph and Dr. Stephen Childress, invented a flier that has four wide wings around its bell-shaped body.
In 1998 scientists discovered the fossil of an unusual seventy-million-year-old crocodile--one that ate plants and lived in a burrow that it dug with its snout.
Twenty-four robots competed in DARPA challenge re: disaster-response tasks. Korea's DRC-HUBO won. Sidebar on the difficulty of designing a robot that can walk steadily.
Koko the gorilla knows the signs for more than 1,000 words, and she communicates in surprising and clever ways, often using magazines such as Highlights and High Five.
