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THE KNOWLEDGE FEED

Miss Cellania

9 Extinct Big Birds

Miss Cellania

9 Extinct Big Birds

Star Trek for Beginners

Star Trek for Beginners

quiz

Labor Day

quiz

Labor Day

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Brain Game: Math Square #228

Sandy Wood

Brain Game: Free Refills

Sandy Wood

6 Fruits You've Been Eating All Wrong

Alvin Ward

There's a better way!

The Rose of Jericho, a Timelapse Wonder

Chris Higgins

11 Cat Monuments

Miss Cellania

Morning Cup of Links: Sir Paul and the Concert Proposal

Miss Cellania

Morning Cup of Links: The Japanese Doctor Who

Miss Cellania

Brain Game: Like Sugar

Sandy Wood

Morning Cup of Links: Grandma's First Roller Coaster

Miss Cellania

Brain Game: Taking Up Space

Sandy Wood

The Secret that Helped an Untrained Runner Win an Ultramarathon

Lucas Reilly the mag

Cliff Young was not your typical marathon runner. A scrawny, 61-year-old Australian potato farmer who still lived with his mom, Young didn’t even own a pair of running shoes.

9 Extinct Big Birds

Miss Cellania

Our friend from Sesame Street may be a big bird, but he’s tiny compared to some real birds that have roamed the earth in the past.

16 Offbeat Holidays You Can Celebrate in September

Hannah Keyser

Summer is (unofficially) over, but don't despair; there's still plenty to celebrate in September—even after Labor Day's long weekend has wrapped.

10 Facts About the Extinct Passenger Pigeon

Erin McCarthy

One hundred years ago yesterday, the world’s last passenger pigeon died at Ohio’s Cincinnati Zoo.

Dinosaurs Needed Babysitters, Too

Jessica Hullinger

A 120 million-year-old fossil has revealed a new, rather endearing discovery about dinosaurs: They may have had babysitters to watch over their youngsters.

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