15 Podcasts That Will Make You Feel Smarter

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It's easy to feel overwhelmed by all the podcast options out there, but narrowing down your choices to the titles that will teach you something while you listen is a good place to start. If you're interested in learning more about philosophy, science, linguistics, or history, here are podcasts to add to your queue.

1. THE HABITAT

The Habitat is the closest you can get to listening to a podcast recorded on Mars. At the start of the series, five strangers enter a dome in a remote part of Hawaii meant to simulate a future Mars habitat. Every part of their lives over the next year, from the food they eat to the spacesuits they wear when they step outside, is designed to mimic the conditions astronauts will face if they ever reach the red planet. The experiment was a way for NASA to test plans for a manned mission to Mars without leaving Earth. The podcast, which is produced by Gimlet media and hosted by science writer Lynn Levy, ends up unfolding like a season of the Real World with a science fiction twist.

2. STUFF YOU SHOULD KNOW

Can’t pick a topic to educate yourself on? Stuff You Should Know from How Stuff Works is the podcast for you. In past episodes, hosts Chuck Bryant and Josh Clark (both writers at How Stuff Works) have discussed narwhals, Frida Kahlo, LSD, Pompeii, hoarding, and Ponzi schemes. And with three episodes released a week, you won’t go long without learning about a new subject.

3. THE ALLUSIONIST

Language nerds will find a kindred spirit in Helen Zaltzman. In each episode of her Radiotopia podcast The Allusionist, the former student of Latin, French, and Old English guides listeners through the exciting world of linguistics. Past topics include swearing, small talk, and the differences between British and American English.

4. PHILOSOPHIZE THIS!

Listening to all of Philosophize This! is cheaper than taking a philosophy class—and likely more entertaining. In each episode, host Stephen West covers different thinkers and ideas from philosophy history in an approachable and informative way. The show proceeds in chronological order, starting with the pre-Socratic era and leading up most recently to Jacques Derrida.

5. MORE PERFECT

In 2016, Radiolab, one of the most popular and well-established educational podcasts out there, launched a show called More Perfect. Led by Radiolab host Jad Abumrad, each episode visits a different Supreme Court case or event that helped shape the highest court in the land. Because of that, the podcast ends up being about a lot more than just the Supreme Court, exploring topics like police brutality, gender equality, and free speech online.

6. SLOW BURN

The Watergate scandal was such a important chapter in American history that it has its own suffix—but when asked to summarize the events, many people may draw a blank. Slow Burn, a podcast from Slate, gives listeners a refresher. In eight episodes, host Leon Neyfakh tells the story of Nixon’s demise as it unfolded, all while asking whether or not citizens would be able to recognize a Watergate-sized scandal if it happened today.

7. LETTERS FROM WAR

Instead of using a broad scope to examine World War II, the Washington Post podcast Letters From War focuses on hundreds of letters exchanged by four brothers fighting in the Pacific during the period. Living U.S. military veterans tell the siblings' story while reflecting on their own experiences with war.

8. LEVAR BURTON READS

Just because you’re a grown-up doesn’t mean you have to miss out on the soothing sound of LeVar Burton’s voice reading to you. The former host of Reading Rainbow now hosts LeVar Burton Reads, a podcast from Stitcher aimed at adults. In each episode, he picks a different piece of short fiction to narrate: Just settle into a comfortable spot and listen to him tell stories by authors like Haruki Murakami, Octavia Butler, and Ursula K. Le Guin.

9. BRAINS ON!

Brains On! is an educational podcast for young audiences, but adults have something to gain from listening as well. Every week, host Molly Bloom is joined by a new kid co-host who helps her explore a different topic. Tune in for answers to questions like "What makes paint stick?" and "How do animals breathe underwater?"

10. SCIENCE VS

There’s a lot of misinformation out there; if you’re determined to sort out fact from fiction, it can be hard to know where to start. The team of “friendly fact checkers” at the Science Vs podcast from Gimlet is here to help. GMOs, meditation, birth control, Bigfoot—these are just a few of the topics that are touched upon in the weekly show. The goal of each episode is to replace any preconceived notions you have with hard science.

11. FLASH FORWARD

No one knows for sure what the future holds, but Flash Forward lays out the more interesting possibilities. Some of the potential futures that host and producer Rose Eveleth explores are more probable than others (a future where no one knows which news sources to trust isn’t hard to imagine; one where space pirates drag a second moon into orbit perhaps is), but each one is built on real science.

12. HIDDEN BRAIN

What motivates the everyday choices we make? That’s the question Shankar Vedantam tries to answer on the NPR podcast Hidden Brain. The show looks at how various unconscious patterns shape our lives, like what we wear and who we choose to spend time with.

13. PART-TIME GENIUS

The fact that it’s hosted by Mental Floss founders Will Pearson and Mangesh Hattikudur isn’t the only reason we love Part-Time Genius. The podcast from How Stuff Works wades into topics you didn’t know you were curious about, like the origins of Nickelodeon and the hidden secrets at the Vatican. Each episode will leave you feeling educated and entertained at the same time.

14. ASTRONOMY CAST

It’s a big universe out there—if you want to learn as much about it as possible, start with Astronomy Cast. Fraser Cain, publisher of the popular site Universe Today, and Dr. Pamela L. Gay, director of the virtual research facility CosmoQuest, host the podcast. They cover a wide range of topics, from the animals we’ve sent to orbit to the color of the universe.

15. SCIENCE OF HAPPINESS

The Science of Happiness podcast from PRI is here to improve your life, one 20-minute episode at a time. Science has proven that adopting certain practices, like mindfulness and gratitude, can make us happier—as does letting go of less healthy patterns like grudges and stressful thinking. With award-winning professor Dacher Keltner as your host, you can learn how to incorporate these science-backed strategies for happiness into your own life.

10 Sweet Facts About Napoleon Dynamite

© 2004 Twentieth Century Fox
© 2004 Twentieth Century Fox

ChapStick, llamas, and tater tots are just a few things that appear in Napoleon Dynamite, a cult film shot for a mere $400,000 that went on to gross $44.5 million. In 2002, Brigham Young University film student Jared Hess filmed a black-and-white short, Peluca, with his classmate Jon Heder. The film got accepted into the Slamdance Film Festival, which gave Hess the courage to adapt it into a feature. Hess used his real-life upbringing in Preston, Idaho—he had six brothers and his mom owned llamas—to form the basis of the movie, about a nerdy teenager named Napoleon (Heder) who encourages his friend Pedro (Efren Ramirez) to run for class president.

In 2004, the indie film screened at Sundance, and was quickly purchased by Fox Searchlight and Paramount, then released less than six months later. Today, the film remains so popular that in 2016 Pedro and Napoleon reunited for a cheesy tots Burger King commercial. To celebrated the film's 15th anniversary, here are some facts about the ever-quotable comedy.

1. Deb is based on Jerusha Hess.

Jared Hess’s wife Jerusha co-wrote the film and based Deb on her own life. “Her mom made her a dress when she was going to a middle school dance and she said, ‘I hadn’t really developed yet, so my mom overcompensated and made some very large, fluffy shoulders,’” Jared told Rolling Stone. “Some guy dancing with her patted the sleeves and actually said, ‘I like your sleeves … they’re real big.'"

Tina Majorino, who played the fictional Deb, hadn’t done a comedy before, because people thought of her as a dramatic actress. "The fact that Jared would even let me come in and read really appealed to me," she told Rolling Stone. "Even if I didn’t get the role, I just wanted to see what it was like to audition for a comedy, as I’d never done it before."

2. Napoleon's famous dance scene was the result of having extra film stock.

At the end of shooting Peluca, Hess had a minute of film stock left and knew Heder liked to dance. Heder had on moon boots—something Hess used to wear—so they traveled to the end of a dirt road. They turned on the car radio and Jamiroquai’s “Canned Heat” was playing. “I just told him to start dancing and realized: This is how we’ve got to end the film,” Hess told Rolling Stone. “You don’t anticipate those kinds of things. They’re just part of the creative process.”

Heder told HuffPost he found inspiration in Michael Jackson and dancing in front of a mirror, for the end-of-the-movie skit. But when it came time to film the dance for the feature, Heder felt "pressure" to deliver. “I was like, ‘Oh, crap!’ This isn’t just a silly little scene,” he told PDX Monthly. “This is the moment where everything comes, and he’s making the sacrifice for his friend. That’s the whole theme of the movie. Everything leads up to this. Napoleon’s been this loser. This has to be the moment where he lands a victory.” Instead of hiring a choreographer, the filmmakers told him to “just figure it out.” They filmed the scene three times with three different songs, including Jamiroquai’s “Little L” and “Canned Heat.”

3. Napoleon Dynamitefans still flock to Preston, Idaho to tour the movie's locations.

In a 2016 interview with The Salt Lake Tribune, The Preston Citizen’s circulation manager, Rhonda Gregerson, said “every summer at least 50 groups of fans walk into the office wanting to know more about the film.” She said people come from all over the world to see Preston High School, Pedro’s house, and other filming locations as a layover before heading to Yellowstone National Park. “If you talk to a lot of people in Preston, you’ll find a lot of people who have become a bit sick of it,” Gregerson said. “I still think it’s great that there’s still so much interest in the town this long after the movie.”

Besides the filming locations, the town used to host a Napoleon Dynamite festival. In 2005, the fest drew about 6000 people and featured a tater tot eating contest, a moon boot dancing contest, boondoggle keychains for sale, and a tetherball tournament. The fest was last held in 2008.

4. Idaho adopted a resolution commending the filmmakers.

'Napoleon Dynamite' filmmakers Jerusha and Jared Hess
Jerusha and Jared Hess
Frederick M. Brown, Getty Images

In 2005, the Idaho legislature wrote a resolution praising Jared and Jerusha Hess and the city of Preston. HCR029 appreciates the use of tater tots for “promoting Idaho’s most famous export.” It extols bicycling and skateboarding to promote “better air quality,” and it says Kip and LaFawnduh’s relationship “is a tribute to e-commerce and Idaho’s technology-driven industry.” The resolution goes on to say those who “vote Nay on this concurrent resolution are Freakin’ Idiots.” Napoleon would be proud.

5. Napoleon was a different kind of nerd.

Sure, he was awkward, but Napoleon wasn’t as intelligent as other film nerds. “He’s not a genius,” Heder told HuffPost. “Maybe he’s getting good grades, but he’s not excelling; he’s just socially awkward. He doesn’t know how much of an outcast he is, and that’s what gives him that confidence. He’s trying to be cool sometimes, but mostly he just goes for it and does it.”

6. The title sequence featured several different sets of hands..

Eight months before the theatrical release, Fox Searchlight had Hess film a title sequence that made it clear that the film took place in 2004, not in the ’80s or ’90s. Napoleon’s student ID reveals the events occur during the 2004-2005 school year. Heder’s hands move the objects in and out of the frame, but Fox didn’t like his hangnails. “They flew out a hand model a couple weeks later, who had great hands, but was five or six shades darker than Jon Heder,” Hess told Art of the Title. “If you look, there are like three different dudes’ hands—our producer’s are in there, too.”

7. Napoleon Dynamite messed up Netflix's algorithms.

Beginning in 2006, Cinematch—Netflix’s recommendation algorithm software—held a contest called The Netflix Prize. Anyone who could make Cinematch’s predictions at least 10 percent more accurate would win $1 million. Computer scientist Len Bertoni had trouble predicting whether people would like Napoleon Dynamite. Bertoni told The New York Times the film is “polarizing,” and the Netflix ratings are either one or five stars. If he could accurately predict whether people liked the movie, Bertoni said, then he’d come much closer to winning the prize. That didn’t happen for him.

The contest finally ended in 2009 when Netflix awarded the grand prize to BellKor’s Pragmatic Chaos, who developed a 10.06 percent improvement over Cinematch’s score.

8. Napoleon accidentally got a bad perm.


© 2004 Twentieth Century Fox

Heder got his hair permed the night before shooting began—but something went wrong. Heder called Jared and said, “‘Yeah, I got the perm but it’s a little bit different than it was before,’” Hess told Rolling Stone. “He showed up the night before shooting and he looked like Shirley Temple! The curls were huge!” They didn’t have much time to fix the goof, so Hess enlisted Jerusha and her cousin to re-perm it. It worked, but Jon wasn’t allowed to wash his hair for the next three weeks. “So he had this stinky ‘do in the Idaho heat for three weeks,” Jared said. “We were shooting near dairy farms and there were tons of flies; they were all flying in and out of his hair.”

9. LaFawnduh's real-life family starred in the film.

Shondrella Avery played LaFawnduh, the African American girlfriend of Kip, Napoleon’s older brother (played by Aaron Ruell). Before filming, Hess phoned Avery and said, “‘You remember that there were no black people in Preston, Idaho, right? Do you think your family might want to be in the movie?’ And that’s how it happened,” Avery told Los Angeles Weekly. Her actual family shows up at the end when LaFawnduh and Kip get married.

10. A short-lived animated series acted as a sequel.

In 2012, Fox aired six episodes of Napoleon Dynamite the animated series before they canceled it. All of the original actors returned to supply voices to their characters. The only difference between the film and the series is Kip is not married. Heder told Rolling Stone the episodes are as close to a sequel as fans will get. “If you sit down and watch those back to back, you’ve got yourself a sequel,” he said. “Because you’ve got all the same characters and all the same actors.”

This story has been updated for 2019.

14 Things You Might Not Have Known About James K. Polk

Matthew Brady/Getty Images
Matthew Brady/Getty Images

James K. Polk may have served just one term, but he was one of history’s most consequential U.S. presidents. Polish up on Young Hickory, America's 11th Commander in Chief.

1. James K. Polk had surgery to remove urinary bladder stones when he was 16.

Born on November 2, 1795, James Knox Polk was the oldest of 10 children born to Samuel Polk, a farmer and surveyor, and his wife, Jane. When James was 10, the family moved to Tennessee and settled on a farm in Maury County. As a child, James was too ill to attend formal school; just before he turned 17, he had urinary bladder stones surgically removed by Ephraim McDowell, a prominent Kentucky surgeon. Anesthesia wasn’t available at that time, so the future president reportedly dulled the pain with brandy. The surgery allowed the formerly ill Polk to attend formal schooling for the first time. He entered the University of North Carolina as a sophomore after just 2.5 years of formal schooling. According to Britannica, "as a graduating senior in 1818 he was the Latin salutatorian of his class—a preeminent scholar in both the classics and mathematics." After graduation, he returned to Tennessee to study law and eventually opened up his own practice.

2. James K. Polk won a seat on the Tennessee Legislature at 27, and the U.S. House of Representatives at 29.

During his time in the state legislature, he met—and befriended—future president Andrew Jackson. He also began courting his future wife, Sarah Childress. The daughter of a prominent planter, she had been educated at the prestigious Moravian Female Academy in Salem, North Carolina, and was an eager and active participant in his political campaigns. Polk and Sarah married in 1824. In 1825, Polk was elected to the U.S. House of Representatives; he was speaker of the House from 1835 until he left in 1839 to become governor of Tennessee.

3. James K. Polk's nomination for president surprised everyone—including himself.

Months before the democratic national convention of 1844, Polk was at a low point. He had just lost his bid to be re-elected governor of Tennessee (he had been voted out of office in 1841 and tried—and failed—to be elected again in 1843). But when the delegates at the convention couldn’t agree on a nominee—the party was deadlocked between Martin Van Buren and Lewis Cass—they eventually decided to compromise by picking a “dark horse” candidate: Polk.

4. Everyone thought James K. Polk would lose his bid for the presidency.

Despite being a seven-time congressman, a former Speaker of the House, and an ex-governor, Polk was a relative nobody. His opponent Henry Clay lamented that Democrats had failed to choose someone “more worthy of a contest.” Despite the doubts, Polk won the popular vote by nearly 40,000 and the Electoral College 170-105.

5. During James K. Polk's White House "office hours," any American could stop by.

During Polk’s day, anybody was permitted to visit the White House for “office hours.” For two days every week, concerned citizens and lobbyists could drop by to vouch for a cause or ask for political favors. “Job seekers were the worst, in Polk’s view, and he found their incessant interruptions far more annoying than his Whig opponents in Congress,” writes Walter R. Borneman in his book Polk: The Man Who Transformed the Presidency and America.

6. James K. Polk was remarkably boring.

Polk had as much charisma as a puddle of mud. He was straight-laced, somber, and humorless. As Speaker, an editor in Washington called him the "most unpretending man, for his talents, this, or perhaps any country, has ever seen." Some attributed Polk’s boringness to his refusal to drink socially. The politician Sam Houston supposedly called him “a victim of the use of water as a beverage.” (Sarah banned hard liquor—and dancing—from the White House.)

7. James K. Polk worked 12 hour days and didn't take much time off from the presidency.

Polk regularly spent 12 hours a day at the office. He rarely left Washington, took advice, or delegated. When he wanted to lobby for policy, he’d visit Congress and do it himself. Over the course of his single term, Polk took a total of just 27 days off. “No President who performs his duty faithfully and conscientiously can have any leisure,” Polk wrote.

8. James K. Polk acquired America's first patch of Pacific coastline.

In the early 19th century, the Pacific Northwest was jointly occupied by British and American settlers. But as the century progressed, Americans began to outnumber the British, and they increasingly felt like the rightful owners of the “Oregon Country.” Thankfully, neither country was interested in battling over the land. In 1846, Polk and the British drew a border at the 49th parallel (with some adjustment for Vancouver Island)—what is now Washington State’s boundary with Canada. With that, the United States obtained its first uncontested patch of Pacific coastline.

9. James K. Polk waged a controversial—and consequential—war with Mexico.

In the 1840s, Mexico’s border encompassed California, the American southwest, and even parts of Colorado and Wyoming. Polk wanted this land. In 1845, he offered to buy some disputed territory near the Texas-Mexico border, as well as land in California; when Mexico refused, Polk sent troops into the disputed territory. Mexico retaliated. Polk then requested Congress to declare war. His critics (including a young Abraham Lincoln) complained that Polk had deliberately provoked Mexico. Whatever Polk’s motivations, the United States lost 13,000 men and approximately $100 million in the ensuing war—but succeeded in taking one-third of Mexico’s land.

10. James K. Polk is the reason the United States stretches from the Atlantic Ocean to the Pacific Ocean.

In the course of just one term, Polk oversaw one of the greatest territorial expansions of any president—an increase of 1.2 million square miles. His administration extended the United States boundary to the Pacific Ocean and laid the groundwork for states such as California, Utah, Nevada, Arizona, New Mexico, Colorado, Washington, Idaho, Oregon, and Montana.

11. James K. Polk's ambivalence toward the issue of slavery may have sparked the Civil War.

When Polk’s administration began pushing westward, debate raged over how these new territories could alter the power balance between free and slave states. Polk, who considered slavery a side issue, refused to give the rancor much time or attention. (No doubt because of his own relationship with slavery. He owned more than 20 enslaved people and brought them to the White House.) Polk’s ambivalence helped sow so much discord that historians now consider his rapid expansion westward as the first steps toward the Civil War.

12. James K. Polk signed bills that reshaped Washington, D.C.

Polk accomplished a lot in just four years. During his tenure, he signed the Smithsonian Institution into law. He was instrumental to the construction of the Washington Monument and helped establish the U.S. Naval Academy in Annapolis, Maryland. He also re-established an independent U.S. Treasury, which was partly intended to reduce the role of speculation in the economy.

13. James K. Polk's administration introduced Americans to the postage stamp.

One of Polk’s unofficial campaign managers was a Nosferatu-lookalike named Cave Johnson, who Polk rewarded with a job as Postmaster General. It was a tough gig. The post office’s budget was swimming in red ink. (At the time, mail recipients paid postage: If a mail carrier failed to find a recipient, no money was made. This happened a lot.) Johnson fixed the financial problem by introducing the prepaid postage stamp, which flipped the responsibility of paying to senders. According to historian C. L. Grant, in 1845, Johnson estimated that the department would have a deficit of over a million dollars. By the time he left that was down to $30,000.

14. The location of James K. Polk's grave is causing a stir in Tennessee.

Polk died, likely of cholera, in 1849, just months after leaving office. Because he died of an infectious disease, the president was hastily buried in a city cemetery near the outskirts of Nashville. Months later, he was re-interred near his Nashville mansion, Polk Place. In 1893, his tomb was moved again to the state Capitol grounds. Today, Tennessee legislators are actively debating whether to move Polk’s bones a fourth time, this time to his old family home in Columbia, Tennessee.

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