Hank Green is one of the first and most popular science communicators on YouTube, having started out with his brother, author John Green, on their channel Vlogbrothers, and growing an empire of science channels through his company, Complexly. Along the way, the two of them founded VidCon, now the largest online video conference in the world, and he’s written two books, An Absolutely Remarkable Thing and A Beautifully Foolish Endeavor.

He joined me to talk about all things science and YouTube, a little bit of politics and some surprising reasons to be optimistic about the world right now.

Find more about Hank and his endeavors at his website: https://hankgreen.com/