[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. Some would say it has yet to occur on Earth.

The Simpsons is the best thing on American television.

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.

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

It's the gravity that shapes the large scale structure of the universe, even though it is the weakest of four categories of forces

Although September 11 was horrible, it didn't threaten the survival of the human race, like nuclear weapons do.

Children in backseats cause accidents. Accidents in backseats cause children.