The Biorobotics Lab at Carnegie Mellon University has just created an especially evolved prototype of a snake.
This snake is able to climb on a vertical bar by crawling like a real snake would.
It's one of the first prototypes of its kind in the world to achieve such a feat.
http://www.youtube.com/watch?v=2tN9YDC02Ow
a more standard move:
http://www.youtube.com/watch?v=DR-hOKzWKSU
via bj