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THE KNOWLEDGE FEED

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Celebrate 50 Years of Spacewalks with this NASA Documentary

Sonia Weiser

Endangered Sawfish Reproduce Through "Virgin Birth"

Jessica Hullinger

For the first time, scientists have discovered a fish that can asexually reproduce in the wild.

NASA is Designing a Plane Coating to Slough Off Bugs

Shaunacy Ferro

This 20-Year-Old Invented a New Way to Clean Up the Oceans

Erika Berlin

Boyan Slat has crowdfunded $2 million for an innovative plan to scoop up ocean garbage.

Yawning Is Contagious for Some Parakeets, Too

Shaunacy Ferro

We thought yawns were contagious only among a few select mammals. But one bird gets the yawns too.

15 Clickbait 'TV Guide' Covers From the '80s

Jake Rossen

Berlin Becomes First German City With A Rent Cap

Rebecca OConnell

Watch and Listen to Rare Footage of Sigmund Freud

Caitlin Schneider

10 Cities and Towns That Tried to Host the U.N.

Mark Mancini

What’s the Right Way to Make a Negroni?

Clair McLafferty

Hey Now! 15 Things You Should Know About 'The Larry Sanders Show'

Roger Cormier

9 Scatterplots Good for a Laugh

Miss Cellania

A scatterplot, or an XY chart, measures two different variables along the dimensions of the chart, and data points are plotted along those axes where they belong.

The Missing Links: How to Get Free Donuts This Friday

Colin Patrick

Mystery Woman Accidentally Recycles Apple I Computer

Caitlin Schneider

That's like throwing away $200,000.

15 Things You Might Not Know About Rembrandt’s 'The Night Watch'

Kristy Puchko

Completed in 1642, Rembrandt van Rijn's The Night Watch is not only a highlight of a career that spanned over 600 paintings, but also acclaimed as arguably the greatest portrait of the Dutch Baro

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