As It Happens | Apr 29, 2014 | 5:39
Ciao, cheetah: Californian mite crowned king of speed - by a long shot
Paratarsotomus macropalpis is the very essence of raw power and velocity. It may lack the majesty of the cheetah, but scientists now believe it's the fastest creature on the planet - by a long shot. The new speed king is a mite.