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Watch Crash Course History of Science Season 1 Episode 22 Online

  • 2/10
  • COUNTRIES: United States of America
  • Subtitles: English

"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection. Today, Hank talks about their wonderful (if not seasick inducing) trips around the world.