THE KNOWLEDGE FEED

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The Men Who Invented Fun: A History of Wham-O

Jake Rossen

A peek inside the zaniest toy factory in American history.

12 Lesser-Known Wham-O Products You Have to See to Believe

Jake Rossen

The makers of the Hula Hoop would also like to interest you in a bomb shelter.

Name the State That Borders the Two Given States

Take the quiz!

What's the Difference Between Aluminum and Aluminium?

Caitlin Schneider

A little peer pressure goes a long way in the chemistry world.

Morning Cup of Links: Ramping Up the Star Wars Hype

Miss Cellania

The Science Behind Antarctica's Blood Falls

Jen Pinkowski

Iron-rich brine from a subglacial lake accounts for Blood Falls' creepy crimson hue.

A Beautiful Townhouse With a Garden on Each Floor

Rebecca OConnell

Japanese architect Ryue Nishizawa designed a five story townhouse covered in plantlife.

10 Facts About Krakatoa's 1883 Eruption

Erin McCarthy

This eruption—one of the most powerful and devastating eruptions in modern history—had effects worldwide.

Staring Into Someone's Eyes For 10 Minutes Can Cause Hallucinations, Study Says

Hannah Keyser

Staring into someone's eyes for 10 seconds? Romantic. Staring into someone's eyes for 10 straight minutes? Kind of creepy—and, apparently, hallucinogenic.

14 Bizarre College Donations and the Strings Attached

Ethan Trex

For most of us, college donations entail little more than occasionally dropping a small check in the mail after receiving repeated pleas for cash from our alma maters.

Book-Scented Candles for Bibliophiles

Kirstin Fawcett

Yes, your apartment can smell like a library—even if it's too small for one.

10 Superlative Facts About Guinness World Records

Mark Mancini

Guinness World Records has been taking note of superlative records for 60 years now.

An Airport in the UK is Offering Meals Designed to Make You Happier

Shaunacy Ferro

You probably won’t board your flight any more chipper, though.

6 Things You Can Still Do With a First-Gen iPad (Hint: Not Much)

Andrew LaSane

How to best enjoy your $499 desk clock.

Crows and Ravens Are Experts in Self-Restraint

Michele Debczak

Another reason to love/fear crows.

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