THE KNOWLEDGE FEED

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Serotonin is Known as the 'Joy Chemical,' but It's Also Found in Animal Venom

Anna Green

In the stomach, serotonin regulates digestion, but injected into the skin, it can turn deadly

Pick Five Things For Each Category

The Artist Who Paints With Dead Fish

Roma Panganiban

Practicing the traditional Japanese art of gyotaku.

See the Indonesian Volcano With Neon Blue Sulfur Flows

Caitlin Schneider

The gorgeous blue flows are a result of sulfuric emissions, which can send flames as high as 16 feet into the air.

Mouth Wrestling Is No Joke for Sarcastic Fringeheads

Janet Burns

Sarcastic fringehead fish battle it out several times a day by interlocking their enormous mouths.

Why Public Bathroom Sensors Don’t Always Work

Michele Debczak

The cause of all your public restroom frustrations, explained.

10 Stocky Facts About Bernese Mountain Dogs

Rebecca OConnell

This charming dog from the Swiss Alps is too fluffy to resist. Learn more about the draft dog and its heritage.

Can't Remember Your Dreams? Study Finds You Might Still Be Having Them

Anna Green

Your brain at rest is (probably) more active than you think.

The Palace Built By a Postman, Using Stones From His Route

Mental Floss UK

Ferdinand Cheval spent 33 years single-handedly building his dream palace—and he did it by collecting rocks as he delivered the mail.

Drop Everything and Go Watch Plants Grow from This Cabin on Stilts

Shaunacy Ferro

Wild Thing, a cabin designed by Latvian architecture students, is an outlook over a meadow in the process of becoming wild again.

Answers These 30 General Knowledge Questions

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10 Things You Might Not Know About Peter Sellers

Bill DeMain

A few surprising facts about the iconic actor on what would have been his 90th birthday.

Why do Americans say ‘Uh’ and ‘Um’ and British People Say ‘Er’ and ‘Erm’?

Arika Okrent

British people do not read 'er' and 'erm' in the way that Americans would read those words.

This App from NASA Gives a Virtual Tour of 1000 Exoplanets

Michele Debczak

Explore the galaxy from the safety of your sofa

7 People Injured by Pizza

Jake Rossen

Behold: The tragic consequences of a pie falling into the wrong hands.

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