I can remember at the age of about six being fascinated by the planets and learning all about Mars and Venus and things.

Darwin gives courage to the rest of science that we shall end up understanding literally everything, springing from almost nothing - a thought extremely hard to comprehend and believe.

Don't feel embarrassed if you've never heard of William Lane Craig. He parades himself as a philosopher, but none of the professors of philosophy whom I consulted had heard his name, either.

Something about the cultural tradition of Jews is way, way more sympathetic to science and learning and intellectual pursuits than Islam.

Evolution is ultimately why cancer is so deadly. Take two biopsies from different sides of a tumor, and they can be genetically very different, making it that much harder to fight. Variation is the toolbox of evolution, and this variation gives cancer strength.

Restoring and maintaining a great nation's fiscal health will require not just sound arguments and an engaged public but something more. It will require an electoral system that encourages our representatives to place the long-term interests of the public ahead of parochial special interests.

There is nothing in the world like health. Live cleanly, and the high thinking will look after itself - or at least won't matter. Physical condition - there's nothing like it.

If you lose control of your debt and deficit, you get massive cuts in things such as health and education. You get appalling insecurity, jobs lost, firms going overseas.