THE KNOWLEDGE FEED

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Awkwardness and Bawdy Talk: 7 Tales of Presidential Courtship

Julia Davis

You may be surprised to learn that not every politician is equipped with romantic game.

The Missing Links: A How-To Guide For Making Ice

Colin Patrick

Make Your Very Own Ice Cubes: A Step-by-Step Guide If you own the domain name Food.com, you better make sure you have all food bases covered.

4 Times Olympians Refused Their Medals

Scott Allen

South Korean fencer Shin A-Lam provided one of the indelible images of the 2012 London Olympics when she staged an hour-long, tearful protest after losing to Germany’s Britta Heidemann in an individua

Brain Game: Math Square #132

The beginning of the week brings with it a new Monday Math Square mentalfloss.com Brain Game challenge.

Morning Cup of Links: Reliant Robin Road Trip

Miss Cellania

Michael Phelps has won more Olympic medals than 154 participating nations, and didn't even medal in his first trip to the Games.

CURIOSITY HAS LANDED

Chris Higgins

After a tense and slightly inebriated evening of watching NASA TV, I am pleased to report: NASA's Curiosity rover has

10 Lost Treasures That Could Make You Very Rich

Ethan Trex

You’ll need more than a map and a shovel to find these cultural gems. But trust us, it will be worth the effort. 1. Hitchcock's Missing

The Olympic Swimmer With Only One Leg

Miss Cellania

Oscar Pistorius is one of the best stories of the 2012 London Games. Yesterday, the South African double amputee advanced to the semi-finals of the men's 400-meters.

Weekend Links: Who's Your Olympic Body Match?

Allison Keene

This is so cool - the BBC has put together an Olympic Body Match where you input your height and weight and it will match you up with one (or more) Olympic athletes who match your body specs.

How to Watch Tonight's "Curiosity" Rover Landing

Chris Higgins

NASA's latest and greatest Mars rover, known as Curiosity, will attempt to land on Mars early Monday morning (or late Sunday night, depending on where you are on Earth).

What Causes Eye Floaters?

Matt Soniak

Eye floaters — or muscae volitantes, Latin for “hovering flies" — are those tiny, oddly shaped objects that sometimes appear in your vision, most often when you’re looking at the sky on a sunny d

Mister Rogers' Epic 9-Part, 4.5-Hour Interview

Chris Higgins

In 1999, Karen Herman interviewed Fred Rogers for the Archive of American Television.

Weekend Links: Are Butterflies Two Different Animals In One?

Allison Keene

Whether you loved or hated the recent HBO series "Girls," or even if you didn't see it at all, you may still appreciate the parody trailer for "Boys." I very much want this to

The Week's Most Popular Stories

Jason English

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

11 of the Craziest Events in Olympic History

Orrin Konheim

Olympic history books are filled with stories of amazing individual performances and team achievements.

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