Science can lift people out of poverty and cure disease. That, in turn, will reduce civil unrest.

To boldly go where no one has gone before

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

Computer viruses are alive.

However difficult life may seem, there is always something you can do and succeed at.

The idea of 10 dimensions might sound exciting, but they would cause real problems if you forget where you parked your car.

We are very, very small, but we are profoundly capable of very, very big things.