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Brainworks: Explaining Optical Illusions and Other Mental Tricks

Jason English

Back during the summer, an early copy of Brainworks showed up in our office.

Glory Day: Lancaster's Brief Stint as Our Nation's Capital

Ethan Trex

On this date in 1777—and only this date—the capital of the U.S. was in the heart of Amish Country.

(Some) Dead Sea Scrolls Available Online

Chris Higgins

It was bound to happen: you can now access the Dead Sea Scrolls online. Well, some of them.

Brain Game: Single Letters

The mentalfloss.com Brain Game presents: Tuesday Test Time. Of all the chemical elements, exactly 14 have a one-letter chemical symbol. Each single-letter symbol is given in the list below.

Morning Cup of Links: Top 10 Books Lost to Time

Brian Abrams

To honor the life of Doritos creator Arch West, who died yesterday in Dallas at the age of 97 (R.I.P.), here are 17 adorable animals enjoying his artificially flavorful snack. * Physicists shock the

From Barbies to Maggots: The Nicknames of 25 Fan Bases

Stacy Conradt

The world is full of obsessed music lovers - I just hope someday when throngs of admirers come to see me in concert (hopefully they like horrible singing), they have a nickname as cool as

Things You've Always Wondered (But Not Enough to Actually Look Up)

Jason English

Over the years we've gotten piles of great ideas from readers in emails that start like this: "I've always wondered about this, but never actually took the time to look it up..."

From Math Theorems to New Species: 5 Things You Can Name After Someone

Jill Harness

Are you looking for a gift for the person who has everything (or who never seems to want anything)? Have you considered a new math theorem? 1. A New Math

20 Tweets Illustrated by Twaggies

David K. Israel

My LLC, twaggies.com, just published its 500th crowd-sourced, illustrated tweet! To celebrate, here's twenty Twaggies I thought you guys would enjoy! 1.

"Twin Peaks" as an Atari Game

Chris Higgins

Have you ever wondered what a Twin Peaks video game would look like? Apparently there were plans for a Nintendo game that never made it off the ground.

Brain Game: Math Square #91

Get your grey matter in shape for the week with today's mentalfloss.com Brain Game, a brand new Monday Math Square.

Morning Cup of Links: Chevy Chase as Indiana Jones?

Brian Abrams

Mail-order jet packs, build-your-own phonograph, and 11 more do-it-yourself kits (and their advertisements) that took some healthy stabs at American consumerism over the years. * Ready for an eye-po

Introducing the Average Font

Colin Patrick

Let the internet font wars be over. Let us no longer debate the merits of Arial or Tahoma or (gasp!) Comic Sans.

Lunchtime Quiz Leftovers

Jason English

Last Week's Most Popular Stories

Jason English

In case you weren't obsessively refreshing mentalfloss.com all week, here's what you missed: 1. 9 Famous People Who Started as Disney Park Characters, by Stacy

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