Crash Course
Crash Course Biology #20: Evolution It's a Thing
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. [11:44]
Crash Course
Crash Course History of Science #22: Darwin and Natural Selection
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....
NPR: National Public Radio
Npr Videos: Skunk Bear: Why Dogs Have Floppy Ears: An Animated Tale
This question vexed Darwin. Has domestication caused evolutionary changes in the ears of pets and livestock? The neural crest cell theory suggests one possible answer. [3:35]