Evolution

  • 2001
  • 1 Season
  • TV-PG

A richly detailed eight-hour series exploring Charles Darwin's `dangerous idea' and its impact on everything from sex to religion. The format is primarily documentary, but Part 1 includes dramatizations of telling incidents in Darwin's life. Coproduced by PBS's `Nova.'

Where to Watch

Available to Stream

Season 1, Episode 3 The Evolutionary Arms Race; Why Sex?

First Aired: September 26, 2001

Part 3 (of four) explores the biological forces at work in “the evolutionary arms race,” and why sex is “more important than life itself,” according to narrator Liam Neeson. First: “the deadly dance of predator and prey.” Preying on humans: microbes, seen causing a drug-resistant strain of TB among Russian prisoners. “The more drugs we launch at microbes,” says Neeson, “the more resistance they evolve.” As for sex's importance, it's seen in a segment in which sexually reproduced Mexican minnows thrive while their cloned cousins struggle. This hour also explores the value of peacock feathers; why some creatures remain monogamous (to the extent they do); and why humans adopt children.

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