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Christoe: One of my favorite things in the world is talking to scientists. I think there's something really beautiful about trying to find answers to questions that no one's asked before, and then share those answers with everyone else. To day's guest, joe hansoid who makes vidios that millions of people around the world watch and learn from. He talks about a video he made where he's trying to figure out what makes glacier ice so blue. Do you remember the first time that you tasted 200 year old snow? I do. i licked it right off the wall of a cave made of ice, sitting underneath a glacier just north of juno, alaska.

Have you ever wondered why there are seven days in a week? Or, why glaciers are blue—or what color even is? Today’s guest, YouTube creator Joe Hanson, makes a living by asking—and trying to answer—these kinds of questions. A biologist turned video producer and educator, Joe spends his days thinking about how telling stories and encouraging curiosity can help people think more deeply about the universe they live in, and engage with science in more meaningful ways. In this episode, he gives tips on how to unleash our innate desire to know things, explains what makes good science, and shares how cool facts can help you save the planet— and win big at trivia night. Joe was a part of Countdown, TED’s climate conference, which you can learn more about at countdown.ted.com. You can check out “It’s Okay To Be Smart”, Joe’s award-winning science education show from PBS Digital Studios, on YouTube. We want to know what you think about the podcast! Let us know your thoughts by visiting this link https://survey.prx.org/BetterHuman—and get a chance to be featured in a future episode To learn more about "How to Be a Better Human," host Chris Duffy, or find footnotes and additional resources, please visit: go.ted.com/betterhuman