
Part-Time Genius
Are you a knowledge junkie who loves when facts are stranger than fiction? Do you find yourself constantly tripping down Wikipedia rabbit holes (and delighting in the journey)? Have you ever been told you ask a lot of questions? If so, congrats! You’re one of us: a Part-Time Genius! Join Will, Mango, and the team as we scour the globe in search of obscure facts, offbeat locales, and hidden histories. Along the way, we’ll chat with experts, play some games, get in touch with our silly side, and celebrate the fine art of staying curious.
Latest episodes

Jul 18, 2025 • 32min
How Close Are We to Resurrecting a Woolly Mammoth?
Every living thing dies—but sometimes, they come back to life! Perhaps unsurprisingly, Will and Mango have a lot of questions about this phenomenon. For example: How hard it is to bring a species back from extinction? Why do some people wake up in the morgue after being declared dead? Are fish markets the best places to look for extinct species? And can resurrecting the woolly mammoth help solve climate change? This episode originally aired on May 10, 2019. Photo by Thomas Quine via Wikimedia Commons. Thanks, Thomas! Got a question you’d like us to answer? A rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use it in an upcoming episode. Follow us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jul 15, 2025 • 32min
Is 3D-Printed Food Worth Eating?
Today Will and Mango are exploring the world of 3D printing, from the 1940s sci-fi writer who anticipated its invention to some of its strangest modern uses, like rescuing turtles, making snacks, and solving the housing crisis. Plus: can a 3D printer 3D print a 3D printer? Got a question you’d like us to answer? A rabbit hole you think we should explore? Email higeniuses@gmail.com or leave us a message at (302) 405-5925. Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social! Photo of a 3D-printed Grogu by Girl with red hat via Unsplash. Thanks, Girl with red hat! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jul 11, 2025 • 16min
9 Deliciously Frosty Facts About Ice Cream
Can grapefruit ice cream cure your hangovers? Have Japanese scientists really cracked the code on ice creams that won't melt? And why does seafood ice cream make patriots' mouths water? Gabe and Mango are serving up a big dish of our favorite summertime treat, with extra facts sprinkled on top! This episode originally aired on May 31, 2018. Photo by Zach Camp via Unsplash. Thanks, Zach! Got a question you’d like us to answer? A rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use it in an upcoming episode. Follow us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jul 8, 2025 • 23min
9 Bizarre Areas of Expertise
Have you ever met a pharologist? Neither have we, but we know Princess Anne is one—she’s a lighthouse expert! Also, apparently there are lighthouse experts! Today Will and Mango explore nine weird and wonderfully specific fields of study, from bell-ringing to bats to the end of the world. Got a question you’d like us to answer? A rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use it in an upcoming episode. Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social! Photo by Joshua Hibbert via Unsplash. Thanks, Joshua! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jul 4, 2025 • 40min
What's the Most American Place in the World?
We all know the American places in America (Cleveland is one). But where should a U.S. citizen go to feel at home abroad? Will and Mango visit a wee America in Brazil (?!), tour the territories, and look for the Kentucky in Japan’s KFCs. Featuring our pal and Snack Stack author Doug Mack. This episode originally aired on July 14, 2017. Photo of a KFC in Toyohashi, Japan by Huu Huynh via Pexels. Thanks, Huu! Follow us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jul 1, 2025 • 29min
Debunking Muscle Myths with Casey Johnston!
Should men and women work out differently? Are rest days really necessary? And how did a group of 19th century German gymnastics enthusiasts transform America? Casey Johnston, author of the She’s a Beast newsletter and the new book A Physical Education, stops by to share some fitness facts that will really pump you up. Plus: The importance of strength training for cat owners. Casey's links: caseyjohnston.website and shesabeast.co! Got a question you’d like us to answer? A rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use it in an upcoming episode. Photo via the Library of Congress. Check out our episode “9 Page-Turning Secrets of the Library of Congress” to learn more about this incredible institution! We're on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jun 28, 2025 • 21min
Part-Time Genius on The Puzzler: "True True False False" w/ Will Pearson and Mangesh Hattikudur
Hello, Puzzlers! Puzzling with us today: hosts of the "Part-Time Genius" podcast, Will Pearson and Mangesh Hattikudur! Join host A.J. Jacobs and his guests as they puzzle–and laugh–their way through new spins on old favorites, like anagrams and palindromes, as well as quirky originals such as “Ask AI” and audio rebuses. Subscribe to The Puzzler podcast wherever you get your podcasts! "The Puzzler with A.J. Jacobs" is distributed by iHeartPodcasts and is a co-production with Neuhaus Ideas. Our executive producers are Neely Lohmann and Adam Neuhaus of Neuhaus Ideas, and Lindsay Hoffman of iHeart Podcasts. The show is produced by Jody Avirgan and Brittani Brown of Roulette Productions. Our Chief Puzzle Officer is Greg Pliska. Our associate producer is Andrea Schoenberg.See omnystudio.com/listener for privacy information.

Jun 27, 2025 • 44min
Your Weird Summer Travel Guide!
Guess what happens when we try to pick the top 8 U.S. museums to visit? (Spoiler: we accidentally end up with 11 on the list.) From a mecca of kazoos to a dinner theater in a mine, here are some wonderfully bizarre places you shouldn’t miss. Plus, facts about SPAM! Featuring Dylan Thuras. This episode originally aired on July 5, 2017. Photo by Kindel Media via Pexels. Going someplace interesting this summer? Take a photo and tag us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jun 24, 2025 • 23min
Can You Make a Puppet Out of Ice?
We pull their strings and stick them on our hands, but puppets are so much more than toys! Today Mango and producer Mary are taking you on a whirlwind world tour of puppetry, from Indonesian puppet shows that run until dawn to an avant-garde French ice marionette to… emo puppets? That’s right, emo puppets. Got a question you’d like us to answer? A rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use it in an upcoming episode. Photo by Bruno Guerrero via Unsplash. Thanks, Bruno! Follow us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.

Jun 22, 2025 • 23min
Who Invented Fentanyl, and How Did It Become a Crisis?
Nowadays we often hear about fentanyl in the context of the opioid epidemic. But it began as a medical breakthrough, created by a pharmaceutical genius who was once ranked the second-best Belgian of all time. In this excerpt from the podcast Panic World, Mango and producer Mary explain fentanyl’s fascinating origin story—and the chemistry that makes it such a lucrative investment for cartels. Want to hear the full conversation? Look for Panic World wherever you get your podcasts! Follow us on Instagram @parttimegenius! Learn more about your ad choices at https://www.iheartpodcastnetwork.com.See omnystudio.com/listener for privacy information.