Textbooks describe DNA as a blueprint for a body. It's better seen as a recipe for making a body, because it is irreversible. But today I want to present it as something different again, and even more intriguing. The DNA in you is a coded description of ancient worlds in which your ancestors lived. DNA is the wisdom out of the old days, and I mean very old days indeed.

There is enough information capacity in a single human cell to store the Encyclopedia Britannica, all 30 volumes of it, three or four times over.

We admit that we are like apes, but we seldom realize that we are apes.

Evolution is as much a fact as the heat of the sun.

I am agnostic only to the extent that I am agnostic about fairies at the bottom of the garden

Be thankful that you have a life, and forsake your vain and presumptuous desire for a second one.

Blasphemy is a Victimless Crime.