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29 Vintage Police Photos for Peace Officers Memorial Day

Jill Harness

Did you know that today is Peace Officers Memorial Day?

Brain Game: Don't Go West, Young Man

Good luck with today's mentalfloss.com Brain Game Tuesday Test Time challenge: Only two U.S.

Morning Cup of Links: Patriotic Pups

Miss Cellania

How to Give a Commencement Speech.

Thank You to Everyone Who Mentioned Us on This Reddit Thread

Jason English

Reddit must have like 50 million readers. A few hours ago, Alatorr gave us a shout out halfway down this thread about the most intellectually stimulating websites.

11 Facts About the Ambidextrous

Adrienne Crezo

If you can write equally well with either hand, then you are the one percent.

The Missing Links: That Cute Lion Wants to Have Your Child Over for Dinner

Colin Patrick

Choosy Expectant Moms Choose Cigs Holy Moly. Imagine if this ad appeared today. * Don’t Play Games With Your Food.

Cloudy With a Chance of Catastrophe: Predicting the Weather in Space

Liana Aghajanian

Image credit: NASA In 1859, while observing sunspots, a young astronomer named Richard Carrington recorded a geomagnetic storm so powerful, the electrical currents it sent to Earth were enough to k

The New York Times' "Lively Morgue"

Chris Higgins

The New York Times files away old photographs in a subterranean archive dubbed the morgue. This has been going on for decades.

Brain Game: Math Square #122

To moms everywhere, we dedicate today's Monday Math Square mentalfloss.com Brain Game challenge. Place the digits 1 through 9 in the white blanks so that the mathematical equations work both a

Morning Cup of Links: The Avengers Juggernaut

Miss Cellania

The media is full of stories about millennials and their self-absorption.

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: Who Killed Men's Hats?

Allison Keene

From Kristoforas, a kerning game. Not familiar with kerning? It's the space between words - essential for designers (here's an example … you're welcome) What were your top scores?

World War I Centennial: Balkan Bedlam Beckons

Erik Sass

Installment #17: While the world focused on Italy’s war with the Turkish Ottoman Empire, an even bigger conflict was brewing in the Balkans, where an international conspiracy against the beleaguered T

The 9 Worst Moms in the Animal Kingdom

Jill Harness

No matter how many mistakes your mother may have made, there’s no way she's in the same class as these animal mothers. 1. Harp

Weekend Links: Amazing X-ray Photography

Allison Keene

I thought I had seen the pinnacle of animals invading sporting events with the Blackburn Rovers chicken (and before that, the Anfield cat!) but nay, there are (luckily) many more.