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THE KNOWLEDGE FEED

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This Man Could Be the Earliest-Born Person to Have Had His Picture Taken

Kirstin Fawcett

Conrad Heyer was 103 when he sat for a daguerreotype portrait.

10 Glorious Facts About Sunflowers

Miss Cellania

The world's tallest sunflower reaches 30 feet and 1 inch.

Pick the Correct Word for Each Definition

Take the quiz!

These Intricate Anatomy Cross Sections Are Made From Old Books

Shaunacy Ferro

Paper has never seemed so…fleshy.

The Tree That Owns Itself

Kate Horowitz

Sort of.

How Social Media Is Helping to Save Endangered Languages

Jennifer Billock

From Sami to Ayapaneco, dying languages are getting a second life thanks to social media.

Citizen Science Goes to the Dogs

Shaunacy Ferro

A new report finds that dog behavioralists can rely on at-home testing with pets.

Putting Health Charity Logos on Junk Food Makes It Seem Healthier

Shaunacy Ferro

Just because those cookies have an American Red Cross logo on them doesn’t mean they’re good for you.

This Elegant Pavilion Is Made Of 10,000 Recycled BIC Pens

Caitlin Schneider

You'd never know this gorgeous crystalline netting was made of an everyday office supply.

These 3D Printable Habitats Were Designed for Life on Mars

Michele Debczak

Here are the finalists of NASA's 3D printable design contest.

Whovians Beware: Daleks are Invading the London Underground

Michele Debczak

Their appearance coincides with the season nine premiere of 'Doctor Who.'

11 Bloodthirsty Facts About 'Little Shop of Horrors'

Mark Mancini

At first, the horrifically hilarious musical remake wasn't a huge hit.

New Study Reveals How Brushing Your Teeth Helps Keep Your Heart Healthy

Autumn Spanne

New research clarifies how bacteria in our mouths may lead to cardiovascular health problems.

These House-Themed ‘Harry Potter’ Covers Are Gorgeous

Michele Debczak

Embrace you're inner (insert Hogwarts house here) with these customized book covers.

'Mother' Robot Builds Better, Faster Robot Offspring

Michele Debczak

In case artificially intelligent robots weren’t terrifying enough.

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