UFC Unfiltered with Jim Norton and Matt Serra

Astrophysicist and author Neil deGrasse Tyson joins Jim and Matt in studio to discuss his wrestling and rowing days at Harvard, being the only kid he knew who never had a fight, the Big Bang, flat Earth theories, knowledge of the universe being liberating, and much more. Plus, the guys talk about UFC Fight Night Stockholm, Conor McGregor signing on to fight Floyd Mayweather, and Sergio Pettis vs. Brandon Moreno. Learn more about your ad choices. Visit megaphone.fm/adchoices