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THE KNOWLEDGE FEED

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Perfectly Microwaved Pizza is Finally a Reality

Andrew LaSane

Reduce food's exposure to harsh microwaves with this special pan.

Artist Animates Retro Book Covers With Mesmerizing Results

Rebecca OConnell

Book covers from the '60s and '70s are perfect candidates for psychedelic animations.

30 Amazing Facts From Our Instagram

Olivia Harrison

Fun fact: mental_floss has an Instagram account.

9 Spooky Spells from an Icelandic Book of Sorcery

Erin McCarthy

'Sorcerer's Screed' was first published in 1940.

Is This the Nation's Oldest Surviving Chemistry Classroom?

Kirstin Fawcett

The historic room was hidden behind the brick walls of the University of Virginia's famous Rotunda.

5 Questions: A Hatful of Rain

Questions:5
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

9 Halloween Costumes Ripped from the Headlines

Miss Cellania

Halloween costumes that scream “2015.”

Watch a Levitating Drop of Water Turn Into a Star

Shaunacy Ferro

The research could one day help keep coal miners’ lungs clean.

7 Blood-Thirsty Facts About Europe’s Real-Life Vampires

Hide a Plant on Your Bookshelf

Rebecca OConnell

Sneak some foliage into your library.

Doctors Find Fetus Inside 4-Year-Old Boy's Stomach

Kirstin Fawcett

The rare condition is called fetus-in-fetu, or "a baby within a baby."

With the “Cocktail Computer,” Imbibing Just Got Even More Fun

Caitlin Schneider

When you can't decide on a cocktail, this device will compute one for you.

7 Gorgeous Old Illustrations of Sea Creatures

Erin McCarthy

The ocean is full of incredible creatures vying for our attention. The Rare Book Room at the American Museum of Natural History is giving them the spotlight they deserve

The Time That William Shakespeare Gave Evidence In Court

Paul Anthony Jones

Annie Oakley Once Took Hearst Newspapers to Court for Reporting a False Cocaine Addiction

Valerie DeBenedette

The biggest fight of Annie Oakley’s life was not in the Old West—it was in courtrooms across the country.

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