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7 Outlandish Alternate Histories

Mark Juddery

Here are some of the more peculiar questions that people have pondered over the decades.

7 Surprising Ways Mother Nature is Trying to Kill You

The Week Therese Oneill

Plants, dirt, and even rocks are more dangerous than you probably imagined.

The Missing Links: The Cheater's Cheat Sheet

Colin Patrick

Shark Week Q&A: How Scientists Built a Shark-Following Robot for "Return of Jaws"

Erin McCarthy

Shark Cam makes its debut in the Shark Week special "Return of Jaws" tonight at 9 p.m.

Play Vintage LCD Games in Your Browser

Chris Higgins

Boxers, Briefs or Loincloth? A Brief History of Men's Underwear

Ethan Trex

It's taken thousands of years to perfect the boxers or briefs that you're wearing right now. Here's a brief and incomplete look at the history of men's underwear.

Where Do You Go to the Bathroom During a Riot?

Matt Soniak

Morning Cup of Links: Old Spock vs. New Spock

Miss Cellania

Announcing the Weird Historical Image Scavenger Hunt!

Jason English

A mental_floss shopping spree is on the line!

13 Medical Conditions Named After People

Ethan Trex

Who are the scientists and doctors behind some of our most famous diseases and conditions? Here are a few of the physicians and their eponymous ailments.

Morning Cup of Links: A Star Wars TV Show?

Jason English

6 Angry Letters Kids Sent Neil deGrasse Tyson About Pluto

Lucas Reilly

When Pluto was demoted, elementary school students flipped out.

Why Can You Only Travel With 3.4 Ounces of Liquids?

Matt Soniak

Last Week's Most Popular Stories

Jason English

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

Weekend Links: 408 Hot Air Balloons

Roma Panganiban