THE KNOWLEDGE FEED

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Messing with Mother Nature: Snakeheads

Miss Cellania

Fish normally are found in three places: in the wild water, in aquariums, and on our dinner plates. But fish can move from one of these worlds to another.

On Canada's No-More-Pennies Policy

Chris Higgins

We've covered the problems with pennies before.

Brain Game: Two Letters

Please read today's mentalfloss.com Brain Game Think Thursday challenge carefully (and forgive my capitalization; I just want the instructions to be clear).

Morning Cup of Links: Beautiful Feathered Tyrant

Miss Cellania

Twenty-six years after the Chernobyl nuclear disaster, survivors are still feeling the effects.

The Late Movies: Modern Internet Stuff, 80s and 90s Style

Chris Higgins

The folks at Squirrel-monkey have been putting together parody videos showing what popular online games and websites today might have looked like twenty or thirty years ago.

Why Don't Cars Come with Ashtrays Anymore?

David K. Israel

The other night, I was having a heated discussion with an acquaintance, who happens to be a smoker.

Undeniable Proof That Google Will Make Us All Cyborgs

Colin Patrick

If you saw Google’s Project Glass portrayed in a film, you’d immediately dismiss it as crazy. In fact, I have seen this before.

Richard Feynman: No Ordinary Genius

Chris Higgins

In this 90-minute BBC documentary from 1993, we see a glimpse of Richard Feynman at his best.

Dietribes: Buena For Tuna

Allison Keene

• The word "tuna" has not been around particularly long.

9 Controversial Magazine Issues Too Inflammatory for Newsstands

Stacy Conradt

Whether it’s a racy photograph or an article that expresses an unpopular point of view, most magazines have been mired in controversy at some point (though we don't remember anyone yanking our Sw

The Caterpillar That Makes Its Own Camouflage

Jill Harness

Plenty of caterpillars use camouflage to protect them against predators until they pupate, but the Camouflaged Looper remains unique.

Why Does Your Nose Get Stuffy One Nostril at a Time?

Matt Soniak

Because your nostrils split their workload.

Brain Game: On the Wall

Here's a new word ladder for today's mentalfloss.com Brain Game Wednesday Wordplay challenge.

Morning Cup of Links: Robot Beatles

Miss Cellania

Jeri Williams survived gang rape, sex trafficking, jail, and homelessness.

17 Offbeat Holidays You Can Celebrate in April

Laura Turner Garrison

Calendar image via Shutterstock With April Fools' Day, Passover, and Easter, there are a few mainstream holidays to observe in April.

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