Some 99.9 percent of all species that have ever lived on Earth are now extinct. "Extinction!" explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth?
Investigate the endless variety of sexual expression and the powerful hold sex exerts over almost all living things. And discover why, in evolutionary terms, sex is more important than life itself.
Interweaving key moments of drama in Darwin's life with current research, "Darwin's Dangerous Idea" explores why his theory of evolution might matter even more today than it did in his own time.
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