that lower force of gravity onthe moon means you can jump much higher there than on the Earth.OK, Greg, this sounds great,but I actually want to see this.So, show me the science!You've got it ...

So, where does the arrow of time come from? A growing group of physicists believe that it originates in the force of gravity itself. But to get there requires a radical reshaping of Einstein’s ...

DICK:There you are, gravity. SIR ISAAC NEWTON:Aaahh. DOM:'Newton was born in 1643, when the laws of nature and the universe were a big mystery. It was the early days of modern science.' ...