North Carolina State University theoretical astrophysicist Katie Mack joins us to talk about the math, science and mystery that allows space to predict our demise back here on Earth.
Read moreScience Denial Is Nothing New (Ask Galileo)
Mario Livio, astrophysicist and author, joins us to talk about Galileo Galilei, who revolutionized science and, because of it, endured condemnation and accusations of heresy.
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