When Richard Dawkins, the Oxford evolutionary biologist, coined the term "meme" in The Selfish Gene 37 years ago, he can't have anticipated its current popularity as a word to describe internet fads.But this just is one way in which he thrives as an intellectual in the internet age. The firebrand atheist energetically promotes science and rationalism on Twitter. According to The New York Times his books "make the reader feel like a genius.