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THE KNOWLEDGE FEED

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Brain Game: Math Square #120

Today's mentalfloss.com Brain Games challenge is a brand-new Monday Math Square.

Morning Cup of Links: The Onion Challenge

Brian Abrams

William Vandivert—Time & Life Pictures/ Today LIFE.com is featuring previously unpublished photos of Hitler's Bunker and the ruins of Berlin. * Anchorman director Adam McKay wants to rem

Stunning Images of Birds' Nests

Jill Harness

San Francisco photographer Sharon Beals is here to remind us just how beautiful birds' homes can be.

19 Fun Facts About Children’s Books Spotted at the Library

Jason English

This past week I spent some quality time in the children's section of the Wayne Public Library.

Last Week's Most Popular Stories

Jason English

In case you weren't obsessively refreshing mentalfloss.com all week, here's what you

Weekend Links: Immigration Papers from the Moon

Allison Keene

io9 posted this great creepy article about an incredibly dangerous water slide that combines an astounding amount of phobias.

The L.A. Riots Erupted 20 Years Ago Today

Erik Sass

The Los Angeles Riots began on April 29, 1992, after officers in the Rodney King case were acquitted of almost all charges.

Can a Foil Hat Keep People (or Aliens) From Reading Your Thoughts?

Matt Soniak

Let’s say that the conspiracy theorists are right...

Weekend Links: The Dark Side of Facebook Memes

Allison Keene

From @b_wildered on Twitter (follow him for all kinds of bizarre and often hilarious things, although this one is quite haunting and beautiful): all the Earth’s traffic — road, air, and ship - are fea

7 Downsides to Being Left-Handed

Kathy Benjamin

The world has been out to get lefties for thousands of years.

The Late Movies: A Cappella Goes Pop

Miss Cellania

Just because you are singing barbershop quartet-style doesn't mean you have do "Sweet Adeline." Pop music, rock music, and modern tunes will do nicely. Sweet Child o' Mine Th

How Do You Get Your Local News?

Jason English

On Fridays, I post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want.

Everywhere a Sign: A Brief History of International Symbols

Rob Lammle

Restroom sign via Shutterstock You see them every day when you go to the restroom, cross the street, or look at a map.

Watch 56 Episodes of "Star Trek" Simultaneously

Chris Higgins

Got fifty minutes to spare? Okay, how about an unbelievable reservoir of tolerance for cacophony and 60s color schemes? Perfect.

15 Vintage Photos of Libraries

Jill Harness

Here are some old photos of librarians showing both the diversity of their duties and the diversity of the workers themselves.

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