Mental Floss

10 Incredible Things That Were Invented By Accident A mix of human error and pure coincidence has led to some amazing inventions.

A mix of human error and pure coincidence has led to some amazing inventions.
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Light Pollution Is Tricking Birds Into Singing Later at Night Early birds are starting to sing even earlier.

Early birds are starting to sing even earlier.
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Update Your Vocabulary With the Most-Searched Slang Terms of 2025 Get the 411 on six-seven.

Don‘t know what ‘bop’ means? Neither do thousands of Google users.
https://bit.ly/48xkHgA

Quiz: Match the President to His Hometown in This Fiendishly Tricky Game It’s easy to name the state most associated with a president, but can you name his actual birthplace?

JFK and Massachusetts. Abe Lincoln and Illinois. It’s easy to name the state most associated with a president, but can you name his actual birthplace?

These Movie and TV Adaptations Were Better Than the Books, According to Audiences Not all book adaptations are a disappointment.

Not all book adaptations are a disappointment.
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Could Cockroaches Really Survive a Nuclear War? Cockroaches have a reputation for being indestructible. But they may not be as totally immune to radiation as people think.

Cockroaches have a reputation for being indestructible. But they may not be as totally immune to radiation as people think.
https://bit.ly/3VawfOU

Why So Many Old British Homes Have Bricked-Up Windows These odd architectural features are remnants of a time when people had to pay if they wanted to look outside.

These odd architectural features are remnants of a time when people had to pay if they wanted to look outside.
https://bit.ly/464UDH3

Why Motorcycles Are the Most Dangerous Mode of Transportation There’s a good reason your parents probably freaked out when they found out you took a little joy ride on someone’s Harley.

There’s a good reason your parents probably freaked out when they found out you took a little joy ride on someone’s Harley.

These little spaces often spark curiosity and nostalgia, though few people know their history. https://bit.ly/47zjYen

35 Celebrities Who Served in the Military You probably didn't know about a few of these celebrity veterans who served the red, white, and blue.

Steve McQueen was promoted to private first class in the Marine Corps, but was demoted multiple times due to insubordinate behavior.
https://bit.ly/3VqLaog

The 25 Dirtiest Cities in America, Mapped How did your city (or the one nearest you) fare?

How did your city (or the one nearest you) fare?

How a Misunderstanding Spawned a Medieval Mummy-Eating Fad Eating centuries-old mummies was a hot health trend in medieval Europe.

In the Middle Ages, Egyptian mummies were prescribed as treatment for myriad conditions. Europe’s fascination with Egypt—combined with a mistranslation—are to blame for the misguided health fad.
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Why Does ’Phony’ Mean Fake? The origins of the term come from the Irish word for “ring.”

Conmen are the reason the word exists.
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America‘s Favorite Gas Station Snacks, Mapped See if your state prefers salty or sweet snacks when hitting the road.

Beef jerky, Skittles, and Rice Krispies top the list of the country’s favorite road trip treats.

The Chrome Extension That’s Rekindling the 432 Hz Music Conspiracy Some believe that tuning our music to 432 Hz rather than 440 will make it sound better—and make us feel better. What gives?

Some believe that tuning our music to 432 Hz rather than 440 will make it sound better—and make us feel better. What gives?
https://bit.ly/48gmIh6

‘Animal Crossing’ Fan Builds Massive LEGO Island Filled With Hidden Features This “Animal Crossing” player’s “42-acre” LEGO island is a miniature masterpiece.

This “Animal Crossing” player’s “42-acre” LEGO island is a miniature masterpiece.

The Dark Theories Behind the “London Bridge Is Falling Down” Nursery Rhyme There are a handful of sinister suggestions—ranging from a Viking invasion to human sacrifice—about the rhyme’s inspiration.

People have speculated the nursery rhyme references everything from Viking invasions to human sacrifice.
https://bit.ly/4mrCwkN

6 Historical Showgirls You Should Know The Kelly sisters of 'Chicago' are fictional. But the Dolly Sisters were real.

There’s more than one way to live the life of a showgirl. Here are some versions from history.
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The 10 Items You’re Most Likely to Forget While Packing for a Trip How many of these items have you inadvertently left behind?

How many of these items have you inadvertently left behind?
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How a Cheating Scandal Shook the World Stone Skimming Championships Modified stones were discovered during a recent tournament, rocking the sport to its core.

Suspicious stones marred the latest installment.
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But first, test your knowledge of the statehood order with a quiz.
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8 Strange Dark Days Throughout History What caused some of these ominous events still remains a total mystery.

What caused some of these ominous events still remains a total mystery.

Why Do Cats Dip Their Paw in Water Bowls? Cats sometimes act like a bowl of water is something to approach with extreme caution. There’s a reason for it, though.

Cats sometimes act like a bowl of water is something to approach with extreme caution. There’s a reason for it, though.
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Avoid This Airline If You Don't Want to Be Bumped From Your Flight Traveling is stressful enough. Getting bumped from a flight makes matters worse.

Whether traveling for vacation or work, the last thing you want is to be bumped, or “denied boarding.”

What It Means When Ground Beef Is Red on the Outside and Brown on the Inside Brown hues aren‘t always signs of spoilage.

Ground beef that’s brown in spots may look odd, but will it make you sick?

15 Tales of Women Ghosts Whether born of folklore or a historical tragedy, each of these ladies has a haunting tale.

Their restless spirits still roam the world—some less menacing than others.
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The 20 Most Commonly Confused Word Pairs in America, According to Google Data If you’ve ever Googled any of these words to figure out the difference between them, you are far from alone.

If you’ve ever Googled any of these words to figure out the difference between them, you are far from alone.

Where Did the Term ‘Up to Snuff’ Originate? Are you not up to snuff when it comes to knowing the origin of ‘up to snuff’? We can help you with that.

Know your stuff about ‘up to snuff.’
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Here's What the 'A' Button Does in Your Car Worried about pressing strange buttons in your new car? Us, too. But you'll probably like this one.

The button deactivates a controversial feature in modern cars.
https://bit.ly/4mWLB5X

The First ’Titanic’ Movie Came a Month After the Disaster—And It Starred a Survivor The first dramatization of the ‘Titanic’ wreck featured a survivor playing a fictionalized version of herself and a love interest named Jack.

Dorothy Gibson dramatized her real-life rescue from the wreck, but it came at a cost.
https://bit.ly/487L7We