If somebody believes that the world is only (...) a few thousand years old, when the true age of the Earth is of the order of a few billion years old, that means they are out by a factor of... a million. Which is not a trivial error.

Justifying space exploration because we get non-stick frying pans is like justifying music because it is good exercise for the violinist's right arm.

Who will say with confidence that sexual abuse is more permanently damaging to children than threatening them with the eternal and unquenchable fires of hell?

... the stereo-type of scientists being scruffy nerds with rows of pens in their top pocket is just about as wicked as racist stereotypes.

The great tragedy of Science - the slaying of a beautiful hypothesis by an ugly fact.

The criterion which we use to test the genuineness of apparent statements of fact is the criterion of verifiability. We say that a sentence is factually signif…

I would like to say we're at a point where global warming is impossible to deny. Let's just say that global warming deniers are now on a par with Holocaust den…