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'Weird Tales' was a pioneer in fantasy and horror.

8 Things You Might Not Know About 'Weird Tales' Magazine

The pulp magazine, which turns 100 this year, inspired Stephen King and made a star out of Conan.

You’re Not Mopping Your Floors Enough

Mopping may be a necessary task, but it’s not inherently clear how often we’re supposed to be making it happen. That’s why Mental Floss and Roborock have teamed up to get to the bottom of it.

Presented by: Roborock

Dye Hard: How Blue Man Group Took Performance Art Mainstream

The Smurf-colored trio came up in the counterculture. Then Intel came calling.

Contestants chasing cheese down Cooper’s Hill during 2022's Cheese-Rolling contest.

Canadian Woman Wins First Prize in Cheese-Rolling Race After Knocking Herself Unconscious

Nineteen-year-old Delaney Irving was unconscious when she crossed the finish line of Gloucester's 2023 cheese-rolling contest.

The 25 Best Children’s Books of All Time

The best children’s books of all time include works by J.R.R. Tolkien, Maurice Sendak, Louisa May Alcott, and more.

The first African American dictionary of its kind is due in 2025.

Scholars Have Released the First Words Chosen for The Oxford Dictionary of African American English

The years-in-the-making Oxford Dictionary of African American English will offer proper attribution to words and phrases that originated in Black culture.

You'll get vivid picture quality, even through rainstorms.

This Security Camera Is Great for Outdoor Areas and Costs Just $33

The Wyze Cam v3 is a versatile security camera that works indoors and outdoors, and you can get it on Amazon for just $33.

Not a lot of time to clean? Not a problem.

6 Simple Tricks For Cleaning Your House in Half The Time

Mental Floss and Roborock have teamed up to share six easy tips for cleaning your house in no time.

Presented by: Roborock

This Halibut Ceviche Is the Easiest Seafood Dish You'll Make This Summer

The halibut in this ceviche "cooks" in a simple lime marinade.

Mushroom Coffins Are the Latest Green Burial Trend

Loop Biotech's eco-friendly mushroom coffins are designed to decompose.

Where does this literary device come from, and why is it named after a fish?

Where Did the Phrase 'Red Herring' Come From?

The figurative phrase is more than 200 years old, but the obscure etymology of a 'red herring' is a fishy story that is itself a red herring.

Tennis star Billie Jean King has had a lasting influence on sports and beyond.

11 Facts About Billie Jean King

Billie Jean King is one of tennis’ most celebrated athletes. But she also championed gender equality efforts and fought for equal pay in sports.

10 Amazing Lighthouses You Can Rent

Whether it's the proximity to the sea or a slice of history that pulls you in, these lighthouses offer something for everyone.

Man reading from a microfilm machine, which uses a similar technology to Brown's "Readies."

Before E-Readers, a 1930s Writer Reinvented the Book With “Readies”

Machines called “Readies” were writer Bob Brown’s answer to “talkies” in the 1930s.

Before you head to the beach, don't forget to apply sunscreen to these key spots.

6 Areas You’re Probably Forgetting When You Use Sunscreen

Even if sunscreen is part of your daily routine, there might be some major areas—like your eyelids—where you’ve been forgetting to apply it.

The red velvet origin story is a widespread urban legend.

A Delicious History of Red Velvet Cake

From what makes red velvet cake red (and velvet, for that matter) to its highly dubious origin story, here’s what you need to know about this delicious dessert.

Leonardo da Vinci’s ‘The Last Supper’ (black border added).

15 Facts About Leonardo Da Vinci's ‘The Last Supper’

Leonardo da Vinci's "The Last Supper" is one of the most admired, most studied, and most reproduced paintings the world has ever known—and it has inspired some wild theories.

Enlist the help of a robot vacuum to make cleaning a snap.

6 Simple Ways to Keep Your House Spotless Without Compromising Cleanliness

Mental Floss and Roborock have teamed up to share six simple tips for keeping your house clean without compromising cleanliness.

Presented by: Roborock

AnnaPustynnikova/iStock via Getty Images

Ignacio Anaya García: The Genius Who Invented Nachos

Ignacio "Nacho" Anaya García invented his namesake bar snack while working in a restaurant near the Texas-Mexico border.

Why Are Hyperlinks Blue?

Unpacking the reason hyperlinks are blue requires dipping into early internet history.

11 Myths About Ticks, Debunked

Before venturing outdoors, read up on the most common myths about ticks.

It’s Grilling Season, Which Means It’s Also Clean-Your-Grill Season—Here Are the Best Ways To Do It

Charred gunk on your grill can inhibit performance and lead to a bummer of a burger. Here’s how to fix it.

Ever wonder what your dog finds so tasty about grass?

Why Do Dogs Eat Grass?

A dog that eats grass frantically may be trying to vomit—but the behavior doesn't automatically warrant a trip to the vet.

The Clever Reason Why Grocery Stores Change Their Layouts So Often

A grocery store’s layout strategy is very calculated—and rearranging inventory is meant to confuse you.

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