Can smiling during running improve your marathon time? Will an old age app help you make better resolutions? And is there real science behind the Coffee Nap? Will and Mango examine big and little ways to improve your 2018, including why you'll probably need to carry a plunger around with you in the New Year. Featuring Lizzie Jacobs.

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Will and Mango have so many questions: What is Quantum Teleportation? Are we all swimming in Dark Matter? And why are scientists so obsessed with smashing particles together? Luckily, we've got astrophysicist Daniel Whiteson, co-author of the wonderful new book We Have No Idea, ready to tour us through the universe. Buckle up!

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Time to get excited! From NASA's incredible space plans to an electronic hat that's going to change a whole lot of lives, Will, Gabe and Mango unveil some really good reasons to be optimistic about the new year.

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Ever wondered what the Big Bang sounds like (it's much weirder than you think!) Or why Britishers are so turned off by the sound of Tasmanian Devils? From the crowds at Shakespeare's Globe to the ugly grunts of baby koalas, we're covering the funniest, strangest, most annoying sounds in the universe... and all the reasons to block them out! Sponsored by Beats by Dre.

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Who decided there should be a beekeeper on staff at the White House? Who manages the First Family's budget and makes sure they're paying for their own toothpaste? And can you just find these job postings on Craigslist? Will and Mango look at some of the most surprising non-political jobs in the White House. Featuring Ben Bowlin and Noel Brown.

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From Iceland's hottest (cat-based) Reality TV Show to the feline that changed Nikola Tesla's career, Will, Mango and Gabe are all about cats on today's episode.

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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 most people would guess. Hear 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.

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Meet the Bad Boy of Bowling, learn how Ivan Lendl intimidated his opponents (it all started with his sneakers!), and why Australia's women's cricket team is considered the best group of trash talkers in the world. From Michael Jordan's incredible philosophy on distracting his opponents, to which sport is considered the Algonquin Round Table of loudmouths, Will and Mango dig deep into the Art of Trash Talking while discussing some of the funniest stories in sport. Featuring Jason Who. Sponsored by Beats by Dr. Dre

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A bonus for Part-Time Genius listeners: Will and Mango talk to their old friend Ken Jennings about his new show at HowStuffWorks. It’s called Omnibus, and it’s terrific. Check out this sample episode and hop on over to Omnibus to subscribe.

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What do sauna culture, "Right to Roam" laws and all-you-can-eat buffets (for monkeys!) have to do with putting smiles on citizens faces? Will and Mango explore why some countries always end up at the top of the Happiness Index, and how other nations can (politely) elbow their way in. Featuring Suzanne Jones, Mayor of Boulder, CO.

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