THE KNOWLEDGE FEED

The First Handheld Cell Phone Call

Chris Higgins

4 Atomic-Themed 1950s Beauty Queens

Anne Wheeler

During the 1950s, the American people suffered from a severe case of Atomic Fever—and sometimes our fervor showed up in some pretty strange places.

All the Original Nintendo Games on One Poster

Erin McCarthy

Morning Cup of Links: Valuable Dollar Bills

Miss Cellania

Who's on the Money?

Questions:12
Attempts allowed:Unlimited
Available:Always
Pass rate:75 %
Backwards navigation:Allowed

Although they are still technically legal tender, high-denomination bills like the $1000 and $5000 were last printed in 1945. Do you know whose faces grace these rare bills? And how familiar are you with the faces on your pocket change? Let's find out.

5 Questions: Poker Face

Questions:5
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

The Missing Links: Remember When This Was Your Brain?

Colin Patrick

5 How-To Manuals from the Middle Ages

Therese Oneill

From dying to being a king, these manuals had people in the Middle Ages covered.

Strange States: California

Rob Lammle

The Strange States series will take you on a virtual tour of America to uncover the unusual people, places, things, and events that make this country such a unique place to call home.

Behold, the Vacuum Bazooka!

Chris Higgins

Frasier Before Frasier

Questions:13
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

Frasier debuted 20 years ago today, on September 16, 1993. But today's quiz focuses on Dr. Crane's life in Boston, before he headed west to conquer the radio psychology universe. How well do you remember Frasier before Frasier?

Morning Cup of Links: There She Is, Miss America

Miss Cellania

How Does an Exception Prove a Rule?

Arika Okrent

Wouldn’t it do just the opposite? Doesn’t it prove that the rule does not hold for all cases and is therefore not a rule at all?

How to Build a Wilderness Shelter

Trapped outside without a tent? Don’t worry. With a little ingenuity, you can build a shelter that will keep you safe while ensuring you have a fascinating survival tale to tell.

10 Fun Facts for National Play-Doh Day

Stacy Conradt

According to Hallmark, today is National Play-Doh Day! We're not sure what September 16th has to do with Play-Doh, but here are some fun facts about the toy that started as a household cleaner.

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