Instructional Video13:00
Crash Course

Darwin and Natural Selection: Crash Course History of Science

12th - Higher Ed
"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....
Instructional Video
Crash Course

Crash Course History of Science #22: Darwin and Natural Selection

9th - 10th
Darwin and Wallace are at the heart of understanding evolution and natural selection. Watch as Hank talks about their wonderful (if not seasick-inducing) trips around the world and how theories of evolution "evolved" through history....