THE KNOWLEDGE FEED

Grammar Girl

'Which' Versus 'That'

Grammar Girl

'Which' Versus 'That'

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15 Animals With Crazy Sex Lives

Amanda Green

Birds do it, bees do it—and sometimes it gets kinky.

15 Foods Invented (or Perfected) in Chicago Besides Deep Dish Pizza

Garin Pirnia

14 Behind-the-Scenes Photos from 40 Years of ‘SNL’

Jennifer M Wood

Photos from 'Saturday Night Live: The Book,' an encyclopedia-history book hybrid that takes readers behind the scenes at Studio 8H.

15 Animal Superlatives

Michael Arbeiter

15 Weird and Awesome Werner Herzog Facts

Erin McCarthy

15 Backdoor Pilots That Never Became TV Shows

Michael Arbeiter

15 -Ologists and What They Study

Amanda Green

There's an -ologist for every subject worth studying. Now let's study -ologists!

15 Pairs of Words That Seem Etymologically Related, But Aren’t

Arika Okrent

Words suggest one thing, but their histories tell us another.

15 Quirks of U.S. Presidents You Didn’t Learn in School

Behind closed doors, America’s historic Commanders-in-Chief were just like the rest of us: riddled with odd habits, esoteric hobbies, and strange fears.

15 Pictures of People Wasting Perfectly Good Alcohol During Prohibition

Jennifer M Wood

15 Amazing Things You Probably Didn’t Know About Goats

Over the millennia, we’ve found a range of interesting uses for these incredible animals—which are also capable of some unbelievable feats of their own.

15 Facts About the Lion’s Mane Jellyfish

Mark Mancini

The stunning—and stinging—lion’s mane jellyfish (Cyanea capillata) ranks among earth’s most beautiful creatures. Let's tip our scuba masks to this amazing invertebrate.

15 Pop Culture-Inspired Wines

Jennifer M Wood

Drink in the vino, soak up the pop culture

20/20 Explains Nintendo in 1988

Chris Higgins

Why was everybody "Nuts for Nintendo" in 1988? 20/20 investigates.

15 Charming Old-Fashioned Compliments to Slip Into Conversation

Here are a few charming, cute, and kooky kudos from the days of yore.

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