Darwin's Great Blunder—and Why It Was Good for the World

The best thing we can do for the theory of evolution may be to bring its creator back down to earth. 10.27.2009

The Man Who Discovered What Killed the Dinosaurs

Geologist Walter Alvarez describes how rocks tell the story of Earth's history. 10.26.2009

Giant Analysis Agrees: Fossils Are Telling the Truth

Ancient bones from many animals lying in a big jumble are more easily put in context than you might think. 10.13.2009

The Brain: Where Does Sex Live in the Brain? From Top to Bottom.

Neuroscientists explore the mind's sexual side and discover that desire is not quite what we thought it was. 09.10.2009