The climate change debate. Confessions of a former skeptic.
Columbus was wrong. Yes, the earth is round, but Columbus didn't prove it. He didn't have to, because his adversaries were not saying it was flat. They said he couldn't sail around it because it was too big—and they were right.
The Galilean truce. I wrote this, on the conflict between science and religion, many years before Stephen Jay Gould wrote Rocks of Ages. Reading his book did not change my mind.
Observations on the human revolution. We were a long time getting from where we were to where we are, and nobody is quite sure yet just why.
Induction, Popper, and Kuhn. Some reflections on the justification of scientific rationalism.
Toward a solution to the problem of induction (PDF). Further reflections on the validity of inductive arguments.
(This page last updated on March 20, 2017.)