Most of us believe that we are unique and coherent individuals, but are we? The idea of a "self" has existed ever since humans began to live in groups and becom

Alexander Unzicker is a theoretical physicist and writes about elementary questions of natural philosophy. His critique of contemporary physics Bankrupting Phys

A novel contribution to the age-old debate about free will versus determinism. Do we consciously cause our actions, or do they happen to us? Philosophers, psych

Richard Feynman once quipped that "Time is what happens when nothing else does." But Julian Barbour disagrees: if nothing happened, if nothing changed, then tim

From the New York Times bestselling author of The End of Faith, a thought-provoking, "brilliant and witty" (Oliver Sacks) look at the notion of free will—and