THE KNOWLEDGE FEED

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Carl Sagan Explains the Fourth Dimension

Chris Higgins

We're all pretty familiar with the first three dimensions -- after all, we experience those dimensions daily as we move about our world.

Football's Most Painful Injuries

Chris Weber

This season, NFL commissioner Roger Goodell has set out to make his league a kinder, gentler place.

The Million-dollar Office Redecoration: It Could've Been Worse

Miss Cellania

Merrill Lynch CEO John Thain spent $1.22 million in company dollars to redecorate his office in early 2008. The Daily Beast has a list of all the items on which he spent all that money.

Big T-Shirt Sale Ends Tonight at 11:59pm!

Mangesh & Jason

Our big t-shirt sale continues until one minute before midnight. All mental_floss t-shirts are $14.90.

Brain Game: Really, Really Bad Rebus #6

What better way to start your Monday than with a Really, Really Bad Rebus puzzle (and a strong cup of coffee to spit out when you've solved it)?

6 Pop songs that rip off classical music

David K. Israel

Musicians have always lifted tunes from each other.

Morning Cup of Links: Dyscalculia

Miss Cellania

Change is happening already.

Explaining the Chinese Zodiac (Just in Time for Chinese New Year)

Matt Soniak

According to legend, the celebration of the Chinese New Year began with a monster called Nian. The beast would arrive on the first day of the new year and devour crops, livestock and people.

$50 Challenge

Andréa Fernandes

The

Getting Close to Chuck

Andréa Fernandes

Chuck Close (born 1940) is one of the most requested artists for "Feel Art Again." Referred to by some as the "rock star of contemporary art," Close is one of the most well-known

Lunchtime Quiz Leftovers

Jason English

Upcoming: $50 Challenge!

Andréa Fernandes

Get your magazines (Jan/Feb '09 issue) handy and come back at 1:30 p.m. (EST) on Sunday for our $50 challenge.

Goldberg Contest Winner

Andréa Fernandes

Last Saturday, we announced our first-ever "Feel Art Again" contest, challenging our readers to design Rube Goldberg devices.

The Weekend Links

Allison Keene

From Flossy Friend Dail, an intriguing article on how to "hack your brain" and create sensory illusions.

Time Stands Still: The Psychology of Casinos

Linda Rodriguez McRobbie

On the face of it, it seems like a hard sell to get millions of people to part with vast amounts of their hard-earned cash with just a hint of ever getting any of it back.

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