It took 4 billion years for the first cells to evolve into the talking, walking, podcast-making, online shitposting, creative and utterly insane humans that now populate the earth.

BUT!

Is that ACTUALLY enough time for Darwin’s theory of incremental mutation to get us here??? A whole lot of smart people reckon it’s not. Justin and Justin try to find out whether they have a point!

Justin Z also talks about his own recently published research looking at the health and educational deficit faced by twins.