THE KNOWLEDGE FEED

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Why Bob Ross Permed His Hair (Even Though He Hated It)

Caitlin Schneider

The story of how television personality and painter Bob Ross ended up with a lifelong perm.

8 of the Weirdest Things People Have Brewed Beer With

Mark Mancini Jill Harness

Would you drink beer brewed with bull testicles or beard yeast?

Because Bird Poop: How the U.S. Acquired Its Territories That Aren't States

Erik Sass

A far-flung maritime empire built on guano, chemical weapons, coal, and just because: these are the stories of the U.S. territories.

Watch These Fireworks Displays from Home

Chris Higgins

Can't make it to a fireworks show tonight? Watch one from London, Japan, or Endor (sort of).

The Hidden Reference to The Beatles in Old Macs

Dan Lewis

One Apple engineer decided to let it beep.

Watch a 1954 Chevrolet Film on Road Tripping

Caitlin Schneider

In this 1954 commercial-film, a family takes a road trip in their Chevrolet and learns the do's and don’ts of auto travel.

6 Advances in Robotics That Are Bringing Us Closer to Building a Real Terminator

Jane C. Hu

“Friendship,” one robot explains, “is when we team together to accomplish something important, like building a better future, or conspiring to take over the planet.”

Watch: The Chemistry of Fireworks

Chris Higgins

When you're watching stuff blow up tonight, know your chemistry!

10 Star-Spangled Facts About the Musical '1776'

Mark Mancini

The winner of three Tony Awards (including Best Musical), 1776 might be the most improbable hit in Broadway history.

Meet the Woman Who Discovered Bob Ross

Caitlin Schneider

The story of how Annette Kowalski and Bob Ross met, founded a worldwide company, and made a surprising star of the mild-mannered painter.

The Grammar Battle That Followed the American Revolution

Arika Okrent

Dogs Chasing Bubbles and Winning

Chris Higgins

Bubbles are like tennis balls, except they float, cannot be fetched, and are nearly infinite.

15 Things You Didn't Know About 'DuckTales'

Stacy Conradt

Without the adventures of Scrooge and the boys, Indiana Jones may not have existed.

A History of G.I. Joe: A Real American Hero

Rob Lammle

Daytime Fireworks!

Chris Higgins

Not all fireworks shows happen at night.

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