There are no black holes - in the sense of regimes from which light can't escape to infinity. There are however apparent horizons which persist for a period of time.

One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.

What was God doing before the divine creation? Was he preparing hell for people who asked such questions?

We've created life in our own image.

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.

Don't be disabled in spirit as well as physically.

Many badly needed goals, like fusion and cancer cure, would be achieved much sooner if we invested more.