THE KNOWLEDGE FEED

Pages

How Many Ridges Are on a Quarter? (And Why Are They There in the First Place?)

Matt Soniak

The rims on U.S. dimes, quarters, half dollars and some dollar coins are called reeded edges. They’ve been on American currency almost since day one as a way of keeping people honest.

Strange Geographies: A Most Peculiar Trip

Ransom Riggs

Some of our readers may remember my Strange Geographies columns from April and May, all about my time in Amsterdam and my road trip through Belgium and Luxembourg, where with the expert help of a Dutc

neatorama presents: HDYK? – {day 2}

David K. Israel

It's an all-new 5-day trivia hunt! Co-puzzle Master Josh Halbur and I are happy to bring you the next How Did You Know?

Brain Game: Sister Planet

Wordplay Wednesday arrives with a twist on the Filling Station game concept. Enjoy! Each of the following six entries contains the letters VENUS.

Morning Cup of Links: Taking Pictures

Miss Cellania

Amazing Composite Street Photographs of New York City.

The Late Movies: Summer Solstice at Stonehenge

Erica Palan

Each year, thousands of people gather at Stonehenge to watch the sun rise on the summer solstice, the longest day of the year.

Netflix Envelope Art

Colin Patrick

As someone who rarely takes advantage of the DVD-by-mail portion of my Netflix subscription, it seems I have been really missing out on one thing that will never be replaced by the online experience:

How Did You Know? – Day 1 Level 3/Bonus Round

David K. Israel

YES! You can play this challenge/contest without knowing a thing about the weekly hunt! It's sort of a one-off - a stand-alone if you will.

It's a Steal! How Columbia House Made Money Giving Away Music

Ethan Trex

If you grew up in the pre-MP3 era, chances are you had at least one go-round as a member of Columbia House’s mail-order music club.

Space Shuttle Endeavour's Final Launch

Chris Higgins

In this unusual four-camera video, director Chase Heavener shows a view of the final liftoff of Space Shuttle Endeavour, shot by cameras attached to the solid rocket boosters.

Mail Bonding! We Want Your Letters

Jason English

Like everyone, we love getting mail. Sometimes, we love our mail so much, we reprint it in our magazine.

Operation Barbarossa: The Biggest Military Adventure in History

Erik Sass

June 22nd marks the 70th anniversary of Operation Barbarossa, Nazi Germany’s invasion of the Soviet Union -- the biggest military adventure in history, which led directly to the downfall of Adolf Hitl

neatorama presents: HDYK? – {day 1}

David K. Israel

It's an all-new 5-day trivia hunt! Co-puzzle Master Josh Halbur and I bring you the next How Did You Know?

10 Gorilla Guys

Miss Cellania

Hollywood loves gorillas. They are mysterious and scary, yet close enough to human for an actor to play one.

Brain Game: But Not Shine or Giant

A short and sweet question makes up today's Tuesday Test Time.

Pages