Vodka was used as an ingredient in early European formulations of gunpowder.
THE KNOWLEDGE FEED
9 Old-Fashioned Ways to Climb the Social Ladder
The Time a King's Head Turned Up in Some Guy's Attic
Name the Original Trivial Pursuit Categories
7 Comedians Who Did Great Things for Humanity
Eat Lunch 20 Feet Underwater
Teachers Transform Lockers into Book Spines
The World's First Emergency Phone Number
What Are Computer Cookies?
15 Things You Might Not Know About The Perfect Storm
5 Questions: "Seed" Spitting
Architectural Installation Purifies Water Over New Yorkers' Heads
Tale of the Red Wall
5 Science-Backed Ways to Fall in Love
15 Star Wars Movie Locations You Can Actually Visit
11 Outlandish Ways Aristocrats Displayed Their Wealth During the Gilded Age
Japanese Mourn Loss of Feline Stationmaster
Best Friends Build Own Private Neighborhood to Be Together Forever
Guinness World Records Says Goodbye to the Tallest Cow Ever
Do You Know What's Inside a Golf Ball?
New Offensive on Eastern Front, First Battle of the Isonzo
How Do Parrots Mimic?
12 Things You Might Not Know About Fiddler on the Roof
New App Designed to Help the Colorblind
There Is a Crowdfunding Campaign for a Greek Bailout
Free Wi-Fi for New Yorkers Is Around the Corner—Literally
6 Abandoned Aquariums
A Great Appetizer Can Make Your Dinner Taste Worse, Study Says
LEGO Pieces Will Become Sustainable by 2030
Scientists Create 3D Laser Holograms That Are Safe To Touch
13 Early Criticisms, Doubts, and Disses About the iPhone
The Tape Measure Master
What Happens When Your “Mind’s Eye” Goes Blind?