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Remains of What Could Be America’s First Domestic Cats Came From a 16th-Century Shipwreck
A sunken ship near Florida holds clues to the early history of cats in the U.S.
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The megalodon was the largest shark to ever live, but luckily for us, it’s definitely extinct.
Why the McDonald’s Logo Uses the Colors Yellow and Red
No, the golden arches don’t represent two giant bendy French fries on a background of ketchup, but good try.
12 Dog Breeds That Are Good with Kids
Labrador retrievers, golden retrievers, and poodles are just a few of the dog breeds with family-friendly reputations.
Can You Solve This Old-Timey Riddle? #37
This riddle dates back to 1927—can you figure out the answer?
What’s the Smallest Country In the World?
Determining the world’s smallest country isn’t as easy as simply calculating area or population.
11 Things You Might Not Have Known About ‘Gymkata’
‘Gymkata’ was a flop when it hit theaters in 1985—but today, the so-bad-it’s-good film has a cult following. Here’s what you should know.
The Easiest Countries To Move To On a Worker Visa, Mapped
Which countries make moving abroad for work a breeze? Europe dominates the list.
Learn Amazing Facts About Historical Escapes with Arturo Castro
The actor just wrapped up a podcast called ‘Greatest Escapes’—and now he’s dropping amazing facts about those escapes and more on the latest episode of Amazing Facts with Mental Floss.
The Real Reason Why You Shouldn’t Keep Open Cans in the Fridge
The risks involved with storing an open can of food in the fridge can vary, but according to the USDA, it’s important to keep these factors in mind.
Missed the REAL ID Deadline? Here’s What You Need to Know to Fly Without One
Starting Wednesday, May 7, standard IDs will make going through airport security a bigger hassle. The TSA recommends getting to the airport earlier than usual to ensure you board your flight on time.
11 Awesome Animal Kingdom Moms
From carrying their young for years to feeding their babies poop, some animal moms just go above and beyond.
Definition Detective Quiz #37
We give you an obscure word with four definitions—one correct, three made up. Can you identify the correct one?
Why Do Shells Sound Like the Ocean?
The fact that all shells sound just a little bit like the ocean is purely coincidental.
The Most (and Least) Stressed States in 2025
This ranking breaks down how stress varies across the U.S.—with big differences between regions.
‘Greatest Escapes With Arturo Castro’ Episode 15: Wildest of the Wild Bunch
Ben Feldman (‘Monsters at Work,’ ‘Superstore’) sets off into the sunset with Arturo as they hop on the trail of one of the Wild West’s greatest outlaws, Kid Curry.
A Banksy Wall Tagged By Rival Graffiti Artists Is Heading to Auction
Banksy‘s “Battle to Survive a Broken Heart“ is going up for auction with an estimated value of up to $3 million.
The 10 Best Airlines for Nervous Fliers
Discover the most anxiety-friendly airlines, with features like meditation resources, roomy seats, and top-tier safety ratings.
The Iconic Subway Scene From ‘Spider-Man 2’ Gets the LEGO Treatment
This 393-piece set recreating Spider-Man 2’s subway scene is a perfect addition to your superhero-themed LEGO collection.
11 Defunct Federal Agencies
Federal agencies come and go with each new presidential administration. Here are a few notable examples.
Tune Twist Quiz #40
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?
Skates vs. Rays: What‘s the Difference?
Skates lay black, ravioli-shaped egg cases. Rays give birth to live pups.
7 Movies With Famous Second-Unit Directors
Some movies have more than one respected director behind the camera.
The 10 Most Popular Mother’s Day Activities for 2025
Looking for the perfect Mother’s Day plan? Check out the top trending activities, from pottery classes to wine tastings.