THE KNOWLEDGE FEED

Vintage Cigarette Slogans

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For each brand, identify the one real slogan. If the choices seem too difficult, don't lose your cool. Just head over to the lounge for a Pall Mall cigarette. Pall Mall: Wherever particular people congregate.

Ondrej Pakan's Stunning Photos of Dewy Insects

Jill Harness

How does Ondrej Pakan capture such fascinating images of otherwise boring insects?

How to Sharpen Pencils

Chris Higgins

Author, satirist, and professional pencil-sharpener David Rees has written a fully-illustrated guest column for Etsy on the topic of How to Sharpen Pencils.

Brain Game: Math Square #116

Today's mentalfloss.com Brain Game is a new Monday Math Square. This one might be a little tougher than usual, so we've spotted you one digit (the 2) to help get you started.

Morning Cup of Links: Junk Food Jubilation

Miss Cellania

April Fools Day on the Web is a database that lists all the shenanigans on the internet every April 1st.

5 Questions: Nevada Cities

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The Beatles Cartoons

Eddie Deezen

In September of 1965, the Beatles were the hottest act in the history of show business. In addition to their millions of record and album sales and their sold out concerts all over the world, the F

Adam Cole Is This Issue's Bard-in-Residence

Mangesh & Jason

We shall, from time to time, add a Bard-in-Residence to the masthead. This is the first of those times.

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: Can You Build a Human Body?

Allison Keene

Robot Revolution / Cylon update: under the category of bionics / Dr Frankenstein, "Can you build a human body?" * An addicting little game that you should be able to figure out most of the

101 Masterpieces: Marvin Gaye’s What’s Going On

Bill DeMain the mag

He Wanted to Better Understand Hanging, So He Hanged Himself 12 Times

Matt Soniak

Gallows image via Shutterstock Hanging is a pretty simple way to kill someone.

6 Times The Onion Had People Completely Fooled

Kathy Benjamin

Every now and then those misunderstandings have real world consequences.

Weekend Links: Any Way the Wind Blows

Allison Keene

From my friend Dekalb, a very exciting link for weather nerds like me: a wind map of the U.S. Check out some of the gallery pictures as well, I think they're beautiful!

24 Vintage Pictures of Doctors At Work

Jill Harness

In honor of National Doctor’s Day, here’s a look at all the ways the job has changed—but mostly stayed the same.

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