Watch an experiment in which we studied time perception by dropping volunteer subjects from a 150 foot high tower. Free fall.
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.
SUM was chosen as the best book of 2009 by Chicago Tribune's Pulitzer-winning literary critic Julia Keller.
Why should the US invest in brain science? See David's opinion in the New York Times.
Sum was selected as Book of the Week by both The Guardian newspaper and The Week newsmagazine.