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15 Spectacular Libraries in Europe

Jill Harness

We've posted photos of gorgeous libraries before, but we just can’t get enough of these stunning book repositories.

Brain Game: Germany 9, USA 2

Don't worry, you won't need a passport (or a sporting event program) to solve the Tuesday Test Time challenge for today's mentalfloss.com Brain Game.

Morning Cup of Links: The Best Campaign Slogans Ever

Brian Abrams

The Artist might have been Uggie's 15 minutes, but here's a more comprehensive study of the 10-year-old Jack Russell's showbiz career. * Do dead people crave donuts? * How different

World War I Centennial: Mission Implausible

Erik Sass

Installment #14: In the years leading up to the First World War, the European Great Powers competed in a number of ways, ranging from colonies to armaments to trade and finance.

The Time Groucho Marx Did the Charleston on Hitler's Grave

Stacy Conradt

© Bettmann/CORBIS Groucho Marx is unmatched in wit and humor. But one of his most poignant moments wasn’t remotely funny, nor was it caught on camera like so many of his one-liners and zingers.

Movie Trivia for Universal's 100th Anniversary

Jason English

The Universal Film Manufacturing Company was officially incorporated in New York on this date in 1912.

Watch, Live, as Almost Nothing Happens

Chris Higgins

From Wikimedia Commons: Picture of the Pitch Drop Experiment from University of Queensland featuring the current (2007) custodian, John Mainstone (picture taken in 1990), two years into the life of th

Time is Money

David K. Israel

(This post was originally published on September 20th, 2011.

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William Vandivert—Time & Life Pictures/ Today LIFE.com is featuring previously unpublished photos of Hitler's Bunker and the ruins of Berlin.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.