In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity. America will be left behind if it doesn't change policy.

Computer viruses are alive.

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.

If you lined up all the cars in the world end to end, someone would try to pass them.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

We waste time, so you don't have to.

You cannot predict the future.