Dr Rangan Chatterjee and paleoanthropologist Dr Daniel Lieberman discussed the '10,000 steps a day' rule on Dr Chatterjee's ...
From concept to reality – my dream yacht is almost complete, but will it pass Coast Guard stability tests? Watch as we put it to the ultimate challenge!
Level 1: Place your hands about shoulder-width apart on a table. The higher the surface, the easier it will be. Step your ...