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Why Don’t Big Dogs Live as Long as Small Dogs?

Matt Soniak

Large animals tend to live longer than smaller ones. But this isn't the case for most breeds of dog. What gives?

The Late Movies: American Express Commercials

Erin McCarthy

World War I Centennial: King George I of Greece Assassinated

Erik Sass

A Boy's Best Friend is His Mother: Everything You Need to Know About Norman Bates

Stacy Conradt

Proof: Babies Can Be Jerks

The Week

Those mean girls might have been mean infants too, new research says.

The Missing Links: Secret Societies You Actually Haven't Heard Of

Colin Patrick

50 Shades of Gray from the First Comprehensive Guide to Color Naming

Arika Okrent

After you read this list, you can proudly tell all your friends you were intellectually stimulated by reading 50 shades of gray.

Google Celebrates UK's WWII Codebreakers

Chris Higgins

6 Fictional Houses You Can Move Into

Stacy Conradt

Most of us, at one point or another, have coveted a house that's not real. While most of us will never realize those real estate dreams, there are a lucky few who have.

Screening Notes Reveal Executives Hated Blade Runner

Erin McCarthy

These days, Ridley Scott’s Blade Runner is hailed as a sci-fi masterpiece that was way ahead of its time.

Brain Game: Math Square #162

Sandy Wood

12 Very Special 'Very Special Episodes'

Kara Kovalchik

From the creepy bicycle man to Alex Keaton's alcoholic uncle, here are some of TV's most memorable teachable moments.

Last Week's Most Popular Stories

Jason English

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

8 SXSwag Items from the Film and Interactive Conferences

Erin McCarthy

A huge part of the festival is waiting in line, roaming the exhibit halls, and going to parties where people hand out swag creatively designed to get your attention.

Happy Birthday, Nat "King" Cole!

Chris Higgins