Professor Brian Cox is an English physicist and Professor of Particle Physics in the School of Physics and Astronomy at the University of Manchester in the UK. His BBC science comedy show/podcast "Infinite Monkey Cage" with comedian Robin Ince will be touring the US during the spring of 2015. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Tom Papa is a comedian, actor, writer and television/radio host. Tom has a great story on "This Is Not Happening" here - http://youtu.be/487y7zJzkFM Learn more about your ad choices. Visit podcastchoices.com/adchoices

Ali Rizvi is a writer, musician, physician, currently working on his first book, The Atheist Muslim. http://www.huffingtonpost.com/ali-a-rizvi/ http://podcasts.joerogan.net Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joe Schilling is an American Muay Thai kickboxer who competes in the super middleweight and light heavyweight divisions. Joe's upcoming fight is February 6th at Glory 19 on Spike TV. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Randall Carlson is a master builder and architectural designer, teacher, geometrician, geomythologist, geological explorer and renegade scholar. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Barry Rothbart is a comedian, actor and writer. Check him out soon when his story airs on Comedy Central's "This Is Not Happening" hosted by Ari Shaffir on February 12 at 12:30am. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Justin Wren is an American MMA fighter, formerly on the Ultimate Fighter. He recently returned from a 1-year mission helping the Pygmy people of the Democratic Republic of the Congo. Learn more about his project here: FightFortheForgotten.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Eddie Huang is a restaurateur, food personality, sandwich hack, and former lawyer. His book "Fresh Off The Boat" is the inspiration for a new sitcom of the same name starring Randall Park airing on ABC starting in February. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Ari Shaffir is a stand-up comedian and hosts his own podcasts “Ari Shaffir’s Skeptic Tank” available on Spotify. He also has a new season of "This Is Not Happening" premiering on Comedy Central, January 22 at 12:30am. Duncan Trussell is a stand-up comedian, and host of his own podcast "The Duncan Trussell Family Hour". http://arishaffir.com http://duncantrussell.com http://podcasts.joerogan.net Learn more about your ad choices. Visit podcastchoices.com/adchoices

Katy Bowman is a biomechanist, heavy on the bio, and author of books on natural movement & human development, solving diseases of captivity. http://www.katysays.com/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Ari Shaffir is a stand-up comedian and hosts his own podcasts “Ari Shaffir’s Skeptic Tank” available on Spotify. He also has a new special premiering on Comedy Central, January 16th, 2015 at 11:59pm called "Ari Shaffir: Paid Regular" http://arishaffir.com Learn more about your ad choices. Visit podcastchoices.com/adchoices

Shane Smith is a Canadian-American journalist. He also is the co-founder and CEO of the international media company VICE. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Joey “CoCo” Diaz is a Cuban-American stand up comedian and actor. Joey also hosts his own podcast called “The Church of What’s Happening Now”, available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Magnus Walker is a driver, a famous collector and builder of Porsches. He's in a short documentary called "Urban Outlaw" featuring his cars and his obsession with Porsches.  Alex Ross is the owner, and co-founder of Sharkwerks, which creates dialed-in, tweaked-out modern Porsches for Porsche enthusiasts. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Brian Stann is a retired mixed martial artist and U.S. Marine, who competed as a Middleweight in the UFC. He is a former WEC Light Heavyweight Champion and is currently an analyst & commentator for the UFC. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Nick DiPaolo is a writer and stand up comedian. His latest special "Another Senseless Killing" is available now at http://www.nickdipaolo.com. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Josh Fox is a film director and environmental activist, best known for his Oscar-nominated documentary, Gasland & Gasland II. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Bert Kreischer is a stand-up comedian, actor and reality television host. Check out his new book "Life of the Party" on Amazon and his podcast "Bertcast" available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Kevin Pereira is a game show host, TV personality, and podcast creator. Check out the "Pointless Podcast" available on Spotify. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Ana Kasparian is a producer and co-host of "The Young Turks" and also teaches journalism at Cal State Northridge. Learn more about your ad choices. Visit podcastchoices.com/adchoices