THE KNOWLEDGE FEED

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This is the Brain of the Man Who Shot James A. Garfield

Erin McCarthy

This Lizard Changes Sex Based On Temperature, and Becomes Extra Fertile

Hannah Keyser

The hotter it is, the more likely bearded dragons are to hatch female—regardless of their chromosomal compositions.

7 Women Who Rocked Currency

Jessica Bloustein Marshall

Here are a few women of (bank)note who made history.

3D-Printed Furniture Can Now Be Yours

Sonia Weiser

French startup Drawn is raising money on Kickstarter to bring its plastic printed furniture to the rest of the world.

Build a Working Computer From Thread Spools, Screws, and … Paper Clips?

Therese Oneill

This 1960s guide breaks it down.

Harry Potter's Sorting Hat is Right in Real Life, Too

Meghan Holohan

In real life, Ravenclaws really are smart, and Slytherins are as shady as we thought.

15 High-Flying Facts About 'Airplane!'

Roger Cormier

It has been 35 years since someone not named Shirley took offense at being called Shirley.

The Tour Triangle Will Change the Parisian Skyline

Sonia Weiser

Unlike New York City, where skyscrapers stand tall and cast shadows over the surrounding buildings, Paris has remained fairly tall-tower free.

The Most Interesting Comics of the Week

Rich Barrett

The most interesting new comics hitting comic shops, bookstores, digital, and the web.

Get Pumped for Hot Dog Season With This '60s Ad Starring a Mustard Clown

Caitlin Schneider

A 1961 commercial for French's offers a delicious hit of summer nostalgia and one very energetic clown.

10 Google Hangouts Easter Eggs

Rudie Obias

The development team at Google usually hides fun little treats or Easter eggs in almost all of the company’s products and services—including Google Hangouts.

What are Coyotes Doing in the Big Apple?

Samantha Larson

If they can make it here, they'll make it anywhere.

United Airlines Will Soon Start Using Biofuel

Hannah Keyser

United Airlines will soon start incorporating biofuel into their overall fuel supply.

Vital Science on the Resonant Frequency of Googly Eyes

Shaunacy Ferro

Wheeeeeeeeeeeee!

9 Nervy Facts About the Vagus Nerve

Jordan Rosenfeld

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