• Are Pay Phones Making a Comeback?
    Apr 10 2026

    How did an ailing Connecticut wife inspire the pay phone? Why did thousands of people flock to the Mojave Desert just to use one? And do people really talk for longer when they know someone else is waiting? Today Mango and Gabe answer the call of nostalgia by tracing the rise, fall, and possible resurgence of the public pay phone.

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    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

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    Photo by Robin Jonathan Deutsch via Unsplash. Thanks, Robin!

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    40 mins
  • Why Are Whales So Big? with Nick Pyenson!
    Apr 7 2026

    How long do whales live, and how do scientists figure out their age? What does it take to sustain a whale's enormous size? And why do whales have mustaches and belly buttons? Featuring Nick Pyenson, author of Spying on Whales and curator of marine mammal fossils for the Smithsonian.

    • Buy Spying on Whales!

    This episode originally aired on September 12, 2018.

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Photo by Chinh Le Duc via Unsplash. Thanks, Chinh!

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    27 mins
  • 9 Facts About Buttons That Aren't Nuclear
    Apr 3 2026

    Will, Gabe and Mango take the focus off the nuclear button, and put it squarely on all the other buttons out there that are feeling a little neglected, from colonial button molds to Jimmy Carter’s panic button accident in a bathroom.

    This episode originally aired on January 4, 2018.

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Photo by Olga Kovalski via Unsplash. Thanks, Olga!

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    8 mins
  • How to Make a Scottish Tartan (Without Going to Scotland!)
    Mar 31 2026

    What unique title do you earn if you climb Scotland’s tallest mountains? How is the Scots language being preserved? What’s the deep, dark secret behind bagpipes? And most important, do you support Will and Mango’s plan to register an official Part-Time Genius tartan with the Scottish government? Today we’ve got 9 kilt-tilting facts about Scotland!

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Photo by K. Mitch Hodge via Unsplash. Thanks, K. Mitch!

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    28 mins
  • How Did the Avocado Conquer the World?
    Mar 27 2026

    Forget boring toast—the world has been making all sorts of avocado advances. Why aren't you using an avocado sock? Should you be investing in diet avocados from Spain? And why aren't you drinking your lattes out of avocado shells, like Australians do? Will and Mango dive deep into the tasty world of avocados to determine why they took so long to catch on, and what Baywatch Nights has to do with their popularity. (Spoiler: Very little.)

    This episode originally aired on April 27, 2018.

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Photo by Estúdio Bloom via Unsplash.

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    32 mins
  • Is The Legend of Zelda the Perfect Video Game?
    Mar 24 2026

    Strap on your sword and grab your ocarina, because today we're celebrating the 40th anniversary of The Legend of Zelda! Join Mango and Gabe as they uncover the secrets of Nintendo's landmark fantasy series, including the real-world inspirations and technical breakthroughs that helped bring the games to life. Plus: The inspiring story of a nonagenarian Zelda fan, and the reason why Link is so darn handsome.

    • Follow Jon Cartwright on Bluesky and subscribe to his YouTube channel, Good Vibes Gaming!
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    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Photo by Ben Hamler via Unsplash. Thanks, Ben!

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    49 mins
  • 9 Last Words Worth Remembering
    Mar 20 2026

    On his deathbed, Winston Churchill’s last words were: “I’m bored with it all.” What a missed opportunity! In this slightly morbid but highly entertaining episode, Will and Mango dig up more last words, from Marie Antoinette's polite remark en route to the guillotine to the businessman who used his final breath to win a game. Plus: the infamous word that helped create one of the world's most famous sneaker brands.

    This episode originally aired on March 22, 2018.

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Portrait of Marie Antoinette via Wikimedia Commons.

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    11 mins
  • 9 Helpful Facts About Assistive Technology
    Mar 17 2026

    What’s an ear trumpet, and where can you find the world’s biggest collection of them? How did a frustrated young watchmaker transform the wheelchair forever? Why does a robotic arm make such a great dining companion? Today, Will and Mango discover some incredible inventions, past and present, that have made life a little easier for millions of people.

    Got a question or idea for the show? Call our hotline at (302) 405-5925 or email higeniuses@gmail.com.

    Follow us on Instagram @parttimegenius and Bluesky @parttimegenius.bsky.social!

    Ear trumpet diagram from the National Archives & Records Administration via Wikimedia Commons.

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    25 mins