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Video game designer Shigeru Miyamoto cradles a Game Boy.

Despite its name, the Game Boy's mission was to lure adults into the world of video games.

This riddle dates back to 1921—can you figure out the answer?

Pretty on the outside, spooky on the inside.

The infamous home from the 1982 horror film ‘Poltergeist’ is available for your next spooky getaway.

Mount Rushmore draws millions of visitors every year. Here are some facts about the controversial monument.

We flipped the script on the Mental Floss contributor, ‘Jeopardy!’ host, and author of ‘The Complete Kennections,’ asking him to figure out what these folks all had in common.

This one‘s a juvenile female, according to the Marine Megafauna Foundation.

The newly identified Atlantic manta ray is officially a distinct species.

If the only thing Jeff Buckley ever did was record his 1994 cover of Leonard Cohen’s “Hallelujah,” he would still have a permanent spot in music history.

A massive thunderstorm turns the sky dark over a field in Sweden.

Storms are used to set an ominous tone in spooky stories, even as they bring much-needed relief to parched fields or distressed humans on a hot day.

We give you an obscure word with four definitions—one correct, three made up. Can you identify the correct one?

Digital blood pressure monitors allow people to check their systolic and diastolic numbers at home.

You can’t actually feel your blood pressure, but it’s one of the body’s most important indicators of cardiovascular health. Here’s the lowdown on how blood pressure works—and what it means for your overall wellness.

The world changed forever when the U.S. detonated two atomic bombs over Hiroshima and Nagasaki, Japan, in August 1945.

Eighty years after the first—and only—deployment of atomic bombs, here’s a look back at one of history’s most devastating acts of war.

We all need sunscreen, but no one needs a white cast.

Here‘s what to do if you‘re struggling with the dreaded white cast caused by sunscreen.

Tears are a treat for some butterfly species.

Blood, sweat, and tears (and a few other choice substances): It’s all on the menu.

Lin-Manuel Miranda and the cast of 'Hamilton' performing at the 2016 Tony Awards.

This fill-in-the-blank quiz tests how well you really know 'Hamilton' songs, from "My Shot" to "Burn" and beyond.

Double doors don’t always mean a house is a duplex.

You aren’t seeing double—some houses were intentionally built with this architectural quirk. We explain why.

Google search trends reveal what kinds of cars each state is dreaming about, and some might surprise you.

See if you can decipher this twisted tune.

It’s time to play Tune Twist, where we translate the lyrics of popular songs into multiple languages and then back into English. Can you figure out what the song is, or who performed it?

Calling police officers “cops” dates to the 19th century.

Cutting down on syllables is just one reason ‘cop’ became synonymous with ‘police officer.’

Stopping to smell the flowers isn't all it's cracked up to be.

If you suffer from allergies, here are the worst—and the best—places to be.

Aspen trees have seen better days, but gray wolves are helping them out.

A new study shows that reintroducing wolves to Yellowstone sparked a massive comeback for aspen saplings.

A shocking discovery was made at a nuclear facility: wasp nests contaminated with radiation.

Take care when you visit these beaches—factors like surf conditions, shark attacks, and weather can make them treacherous.

A hammerhead spends a lot of time and energy trying to binge-eat other big sharks. Here's why it pays off.

Here’s where the word ‘biopic’ came from, how to say it right, and why so many people say it wrong.

When Nintendo’s Game Boy Helped Video Games Grow Up

Can You Solve This Old-Timey Riddle? #50

You Can Book a Haunted Stay at the Real ‘Poltergeist’ House

11 Solid Facts About Mount Rushmore

Watch Ken Jennings Drop Amazing Facts About Historical Figures—Can He Figure Out What They Have in Common?

Newly Identified Manta Ray Species Can Grow as Big as a Van

The Short, Brilliant Life—and Lasting Legacy—of Jeff Buckley

11 Powerful Facts About Thunderstorms

Definition Detective Quiz #49

How Does Blood Pressure Work?

12 Facts About the Atomic Bombings of Hiroshima and Nagasaki

Why Sunscreen Can Leave a White Cast—and How to Avoid It

7 Disgusting Things Butterflies Eat

Can You Guess the Lyrics of These ‘Hamilton’ Songs?

The Fascinating Reasons Why Some Old Houses Have Two Front Doors

Mapped: What Americans Want in a Car, According to Search Trends

Tune Twist Quiz #52

Why Are Police Officers Called “Cops”?

25 Worst U.S. Cities for Allergy Sufferers

How the Return of Wolves to Yellowstone Helped Aspen Trees Thrive

Radioactive Wasp Nests Discovered Near Cold War-Era Nuclear Storage Site

America’s 10 Most Dangerous Beaches

Hammer Time: Scientists Have Figured Out Why Hammerheads Love Eating Other Sharks

You’re Probably Mispronouncing ‘Biopic’—Here’s Why