Our ignorance of the cosmos is too vast to commit to atheism, and yet we know too much to commit to a particular religion. A third position, agnosticism, is often an uninteresting stance in which a person simply questions whether his traditional religious story is true or not true. I call myself a possibilian. Find out why.
Listen to an interview on BBC's Today Programme regarding the new iPad book Why the Net Matters.
Why should the US invest in brain science? See David's opinion in the New York Times.
David has won the Science Educator Award from the Society of Neuroscience.