THE KNOWLEDGE FEED

10 Interesting Numbers in American Culture (Plus or Minus a Few)

Ethan Trex

From the number that defeated the Nazis to the one that put a smile on the faces of drunken sailors, here are 10 digits with real value. 1.

Dietribes: Whose Lime Is it Anyway?

Allison Keene

• The lime you merely call "lime" at the grocery store is more than likely the more exotic sounding Tahiti Lime (a.k.a.

Hot Off My Hard Drive: the Miss Peregrine Book Trailer

Ransom Riggs

Remember last month when I posted all those pictures of abandoned chateaus in Belgium and Luxembourg?

Brain Game: Septice?

Can you make seven times in only six steps? Give today's Wednesday Wordplay challenge a shot. You know you want to.

Morning Cup of Links: Gimme Shelter

Miss Cellania

The wisdom of crowds is incredibly fragile.

The Late Movies: Happy Birthday, Clint Eastwood!

Erica Palan

Today, Clint Eastwood turns 81. We're celebrating with clips from some of his best work on the silver screen—from spaghetti westerns to dark dramas and everything in between.

neatorama presents: HDYK? - {day 5}

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?

4 Animals You Can Only Find in Zoos

Jill Harness

People go to zoos to see the animals from exotic locales we couldn’t get to on our own. But some of these animals can’t be seen anywhere except zoos.

Hey You! What Song Are You Listening To?

Chris Higgins

Filmmaker Tyler Culler wandered the streets of New York with a camera, asking passersby what they were listening to on their headphones. Many answered -- and many of the answers are surprising.

Follow @mental_floss on Twitter: Amazing Facts, 140 Characters at a Time

Jason English

And

The Creator of the Mad Magazine Fold-In

Colin Patrick

As a child, I loved few things as much as I loved Mad Magazine.

THXTHXTHX: Thank Goodness for Everything

Ransom Riggs

THXTHXTHX is a charming blog made up entirely of handwritten thank-you notes, addressed not to people but to objects and ideas and gestures and everyday things that the blog's founder, Leah, is t

Rodent, or NOT a Rodent?

Miss Cellania

According to Grandpa, any wild mammal that invades your home or garden is a rodent, often lovingly referred to as a "varmint." This turns out to be not quite so.

Caterpillars Who Defend Themselves

Jill Harness

We tend to think of caterpillars as cute, innocent little bugs who are, at worst, garden pests. But not all future moths and butterflies are so defenseless.

Brain Game: Have a Slice

A quick one for today's Tuesday Test Time.

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