THE KNOWLEDGE FEED

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Win a Copy of the National Geographic Answer Book!

Andréa Fernandes

Every day, more than 20,000 Chinese people leave the countryside to settle in urban areas. Related Link: For the past two weeks, we've been pulling Numbers of the Day from the beautiful and fa

Weekend Links: A Hotel in Space

Allison Keene

Space ... the final frontier ... for hotels! Get ready for zero-gravity fun at the Russian Space Hotel. * Space ... the final fron -- oh wait I already did that one.

Lunchtime Quiz Leftovers

Jason English

The Late Movies: The Andy Griffith Show

Miss Cellania

Sunday is the 50th anniversary of the premiere of The Andy Griffith Show.

How Did You Know? - Day 4 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.

Sesame Street Scandals

Stacy Conradt

Katy Perry’s recent Sesame Street skit went bust when parents complained that the singer was showing a little too much décolletage for kids.

Ancient Green Beer Contained Antibiotics

Meghan Holohan

Alexander Fleming's dodgy cleaning habits helped him discover penicillin in 1928. The bacteriologist was cleaning Petri dishes when he noticed mold growing on staphylococcus (staph) bacteria.

Mexico City Tourism Video is Actually Terrific

Chris Higgins

Here's a visual treat for your Friday afternoon: a video designed to promote tourism in Mexico City, that's actually beautifully shot, and a joy to watch.

Woody's Winners, NFL Week 4

NFL WEEK FOUR: A 9-7 record in Week 3 is good but not great, but I'm tickled that two of my three upset picks (Seattle and Chicago) came through. A third in Oakland ended up sailing wide left.

Neatorama presents: HDYK? - {day 4}

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?

Meet the Birmingham Office

Jason English

Founding _flosser Will Pearson recently sat down with the good people at Birmingham Weekly to discuss the past, present and future of mental_floss.

History of the U.S.: The Wizard of OSS

Stacy Conradt

At FDR’s request, Major General William Joseph Donovan formed the Office of Strategic Services (OSS) at the height of World War II.

What's a Word That You Invented?

Brett Savage

Every Friday, we post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want.

Sperm Warfare (Or: Why it Takes 1 Billion Sperm to Make One Zygote)

Matt Soniak

The average man produces roughly 525 billion sperm cells over his lifetime and releases, in one way or another, more than one billion of them per month and anywhere from 40 million to 1.2 billion in a

The Weird Week in Review

Miss Cellania

Two Arrested for Bike and Fence Theft You have to admit you would have been suspicious of the two young men walking down a street in Beckenham, Greater London, England.

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