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Vodka was used as an ingredient in early European formulations of gunpowder.

THE KNOWLEDGE FEED

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9 Old-Fashioned Ways to Climb the Social Ladder

History

The Time a King's Head Turned Up in Some Guy's Attic

Quizzes

Name the Original Trivial Pursuit Categories

List

7 Comedians Who Did Great Things for Humanity

Food

Eat Lunch 20 Feet Underwater

Fun

Teachers Transform Lockers into Book Spines

History

The World's First Emergency Phone Number

Big Question

What Are Computer Cookies?

Movies

15 Things You Might Not Know About The Perfect Storm

quiz

5 Questions: "Seed" Spitting

Architecture

Architectural Installation Purifies Water Over New Yorkers' Heads

Morning Cup of Links

Tale of the Red Wall

Videos

5 Science-Backed Ways to Fall in Love

Movies

15 Star Wars Movie Locations You Can Actually Visit

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11 Outlandish Ways Aristocrats Displayed Their Wealth During the Gilded Age

Animals

Japanese Mourn Loss of Feline Stationmaster

Architecture

Best Friends Build Own Private Neighborhood to Be Together Forever

Animals

Guinness World Records Says Goodbye to the Tallest Cow Ever

Sports

Do You Know What's Inside a Golf Ball?

WWI Centennial

New Offensive on Eastern Front, First Battle of the Isonzo

Animals

How Do Parrots Mimic?

List

12 Things You Might Not Know About Fiddler on the Roof

Technology

New App Designed to Help the Colorblind

News

There Is a Crowdfunding Campaign for a Greek Bailout

Technology

Free Wi-Fi for New Yorkers Is Around the Corner—Literally

Travel

6 Abandoned Aquariums

Food

A Great Appetizer Can Make Your Dinner Taste Worse, Study Says

Fun

LEGO Pieces Will Become Sustainable by 2030

Science

Scientists Create 3D Laser Holograms That Are Safe To Touch

Technology

13 Early Criticisms, Doubts, and Disses About the iPhone

Missing Links

The Tape Measure Master

Science

What Happens When Your “Mind’s Eye” Goes Blind?

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