No single discovery from any of these fields denotes proof of evolution, but together they reveal that life evolved in a certain sequence by a particular process.

In principle, skeptics are neither closed-minded nor cynical. We are curious but cautious.

We are a fluke of nature, a quirk of evolution, a glorious contingency.

One, I am skeptical of the effectiveness of nutritional supplements.

When alien abductees recount to me their stories, I do not deny that they had a real experience.

There is a significant difference between having no belief in a God and believing there is no God.

To be a fully functioning moral agent, one cannot passively accept moral principles handed down by fiat. Moral principles require moral reasoning.