Joe sits down with former boxer and current ESPN analyst Andre Ward, who retired from professional boxing with an undefeated 32-0 record.

David Sinclair, Ph.D., A.O. is a Professor in the Department of Genetics and co-Director of the Paul F. Glenn Center for the Biology of Aging at Harvard Medical School. His new book "Lifespan: Why We Age And Why We Don't Have To" is now ava...

Nick Bostrom is a Swedish philosopher at the University of Oxford known for his work on existential risk, the anthropic principle, human enhancement ethics, superintelligence risks, and the reversal test.

Penn Jillette is a magician, actor, musician, inventor, television personality, and best-selling author best known for his work with fellow magician Teller as half of the team Penn & Teller. Check out his podcast called "Penn's Sunday Schoo...

Joe is joined by current Glory Kickboxing World champion Cedric Doumbe.

Neil deGrasse Tyson is an astrophysicist, cosmologist, author, and science communicator.

Zuby is an independent rapper, creative entrepreneur, speaker and podcast host. Check out his podcast called "Real Talk with Zuby" available on Apple Podcasts.

The Black Keys is a rock band formed in Akron, Ohio, in 2001. The group consists of Dan Auerbach and Patrick Carney. Their latest album "Let's Rock" is available now everywhere.

Nikki Glaser is a stand-up comedian, podcast host, and television host. Her new stand-up special "Bangin" is now streaming on Netflix.

Lenny Clarke is a legendary Boston comic and actor.

Ari Shaffir is a stand-up comedian and also hosts the podcasts "Ari Shaffir’s Skeptic Tank" & "Punch Drunk Sports."

Commander David Fravor is a retired US Navy pilot, who has a close encounter in 2004 with the so-called Tic Tac UFO, and Jeremy Corbell is a contemporary artist and documentary filmmaker.

Alonzo Bodden is a stand up comedian and winner of Last Comic Standing Season 3. His new comedy special "Heavy Lightweight" premieres on Amazon Prime on August 23.

Bernie Sanders is a 2020 Presidential Candidate of the Democratic Party and is currently serving as the U.S. Senator of Vermont. https://berniesanders.com/

Sean Carroll is a cosmologist and physics professor specializing in dark energy and general relativity. He is a research professor in the Department of Physics at the California Institute of Technology.His new book "Something Deeply Hidden"...