THE KNOWLEDGE FEED

Brain Game

Math Square #227

Brain Game

Math Square #227

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Flowers Opening in Timelapse

Chris Higgins

Brain Game: Perverted!

Sandy Wood

19 Things You Probably Didn't Know About Beethoven

Gili Malinsky

Why Do We Count Sheep?

the mag

How to Thrive For a Month Out of Your Backpack

Where to Watch the Perseid Meteor Shower

the mag

As the comet Swift-Tuttle sweeps around the sun, it leaves a trail of icy meteoroids in its wake. The result? An August full of shooting stars.

Morning Cup of Links: Remembering Robin Williams

Miss Cellania

Scientists Created a Water Tractor Beam

Jessica Hullinger

Tractor beams have long been a science fiction fantasy—a magical force that attracts objects from a distance, like an alien’s spaceship sucking up its earthling specimens. We're getting there.

11 Fictional Wars and Why They're Being Fought

David W Brown

RIP, Robin Williams

Alvin Ward

Christopher Reeve presents his former Juilliard roommate Robin Williams a People's Choice Award in 1979.

11 Historical Artifacts You Can Own...For A Price

Hannah Keyser

For history buffs who won't settle for a trip to the museum or a good book, the Internet offers a treasure trove of artifacts you can own—if you've got significant money to spend.

11 Works of Art Featuring Felines

Erin McCarthy

Russian artist Svetlana Petrova routinely adds a twist to classic paintings by including her orange tabby, Zarathustra. But felines are no strangers to fine art.

Visit Pyongyang! (Via Time-Lapse Tourism Video)

Nick Greene

Pyongyang remains mysterious to most Westerners. But thanks to two filmmakers, you can now watch a little over three minutes worth of scenes from the North Korean capital.

The Missing Links: Freddy and the Mystery Machine Crew

Colin Patrick

11 Smells That Are Slowly Disappearing

Kara Kovalchik

How many of these do you miss?

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