How would a dolphin and a human swimmer compare in a race?

Obviously dolphins are far better swimmers than humans. They would totally hand us our asses in a race. But just how lopsided would the contest be? A recent experiment shows it's not even close — and dolphins are even stronger in the water than we thought. » 1/16/14 1:59pm 1/16/14 1:59pm

This off-road robot could help revolutionize the exploration of other…

You're looking at the future of space exploration: a robot who can move fast though slippery, sandy terrain. With the help of new experimental techniques, robots inspired by the one above could one day be used for search-and-rescue missions, or exploring the surface of Mars, with unprecedented speed and mobility. » 3/21/13 11:14am 3/21/13 11:14am