Part-Time Genius

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.

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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!

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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 hi...

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!

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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 shesabeas...

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 ...

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 phot...

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 vo...

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 conve...

Sure, we've watched Pixar's Cars a few times. But that doesn't mean we know anything about racing. Will and Mango dive into the strangely boozy origins of NASCAR, why you might need a yacht to enjoy Formula One, and how driver Dick Trickle made sure every race got off to a smoking start. Spoiler: it involved drilling a couple holes in his helmet.

This episode originally aired on March 19, 2018.

Photo by Paolo Feser via Unsplash. Th...

From the floating gardens of Xochimilco, to the sinking sights of El Zócalo, Mango and Gabe explore some of the most fascinating, offbeat attractions in Mexico City. Along the way we'll dole out some helpful travel tips, including the best drink to beat the heat (and the altitude!), a must-try carb-on-carb breakfast sandwich, and the only subway station in the world with its very own woolly mammoth!

Got a question you’...

In 2019, a new cache of works entered the public domain—from Charlie Chaplin to Jane Austen stories to Felix the Cat cartoons. But what does that really mean? Will and Mango dig into how Mickey Mouse changed copyright laws, why Woody Guthrie got foiled by his publishers, and why British clowns check a case of eggs before putting on their makeup.

This episode originally aired on January 18, 2019.

Photo by Ali Dashti via Pexels...

Today producers Gabe and Mary are opening the top-secret PTG fact vault to share bonus stories from recent episodes, including an international seagull incident, a pioneering artist who painted chickens with eggs, and a novelty space song that must be heard to be believed. Plus: Breaking news about pennies and government puns.

Listen to “The Ballad of Balladonia Night,” the official PTG song of summer 2025, here!

C...

From Nintendo's history with the Yakuza to its dabbling in the seedy motel business, the House of Mario has a much longer and stranger history than you might guess. Find out what happened when the company tried to make knitting popular, how America's obsession with robots helped them nudge their way into retailers, and why a grabber called the Ultra Hand was the breakthrough the company needed. Featuring Ramsey Yount.

This episode ...

What do TV listings have to do with the arc of American history? Quite a lot, it turns out! From hard-hitting journalism that exposed fake news, to billion-dollar business deals, to a photo manipulation scandal that made Oprah very angry, Will and Mango uncover the many ways this little magazine has made a big impact on our lives. Thanks to Ken at TV Guidance Counselor for the inspo—and for having Mango on his podcast!

Got a ...

If you’ve ever taken out the trash, bought eggs, or gotten immersed in Avatar, you have Canada to thank for it. Pop on your toques and join Will and Mango for a deep dive into some fascinating Canadian inventions—and yes, hockey is mentioned. Twice.

Got a question you’d like us to answer? An obscure rabbit hole you think we should explore? Send an email or voice memo to higeniuses@gmail.com, and we might use ...

Sure, they nuzzled their way into Mike Tyson's heart (and Nikola Tesla's, and Bert's from Bert and Ernie!), but how intelligent are pigeons? Have scientists really trained them to read? Did they actually play a role in discovering the Big Bang? And why are they so darn good at finding their way home? Plus: Are catfish their new nemesis? 

This episode originally aired on July 11, 2019.

Photo via Sneha Cecil on Unsplash. Thanks,...

Will and Mango dig into all the biggest bicycle questions: From how bikes seriously altered the dating scene, to how blind people ride bikes through traffic, to the ingenious way Kermit pedaled his Schwann in the Muppets Movie. Grab a helmet and join us!

This episode originally aired on November 7, 2019.

Got a bike we should see? Tag us on Instagram @parttimegenius!
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You are cordially invited to this very festive episode about parties! Will and Mango unpack Italy’s history of painful confetti, the surprisingly violent origin of surprise parties, and the accidental invention of glitter. (Hint, it involved schnibbles in New Jersey.) Plus: Will makes a convincing case for having MORE clowns at parties.

Photo by Aneta Pawlik via Unsplash. Thanks, Aneta!

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