The Most Controversial Idea in Biology

Ever wonder why poop smells bad or how life even got started? This video takes you on a whirlwind tour from the origins of life and gene mutations to simulating evolution and the nuts-and-bolts of natural selection. Along the way you’ll see how traits get passed on, why kin selection makes altruism make sense, and how Richard Dawkins’s “Selfish Gene” flips the script on how we think about evolution.

By the end, you’ll realize we’re basically running one big simulation of genes fighting to survive—complete with expert insights, cool animations, and a few surprising twists that’ll have you rethinking everything you thought you knew about biology.

Watch on YouTube