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Art Made With This Algae Pen Becomes Visible After Sun Exposure
Now you can use "living ink" to create time-lapse masterpieces.
How Einstein Influenced the Look of Yoda
Just another one of Einstein's gifts to humanity...
11 Awe-Inspiring Facts About the Rockefeller Center Christmas Tree
From its humble beginnings in 1931 to the glitz and glamor of today’s tree lightings, the towering Rockefeller Center evergreen has come to symbolize the holiday.
Safari Park Baffled as Tiger and Goat Become Best Friends
In a heart-warming turn of events, Amur the tiger has become best friends with his own lunch.
Read Historic Fairy Tales from 19th Century Ukraine
Including stories like “The Ungrateful Children and the Old Father Who Went to School Again.”

How Buster Keaton Revolutionized Film Comedy
More than a century after comedian Buster Keaton started making movies, filmmakers are still imitating his stunts, gags, and visual style.
6 Scientific Facts About Happiness
Smile. It just might be contagious.
How This Once-Extinct Squash Is Making a Comeback
Thanks to an 850-year-old find, a long-extinct species of squash is making a comeback.
10 Festive Christmas Markets From Around the World
Even if you’re already done all your holiday shopping—and especially if you haven’t—a visit to one of these Christmas markets is the perfect seasonal activity.
Where Stolen Art Used to Be, Museum Now Displays Drawings of the Suspects
Thirty years later and they’re still not over it.
The Mysterious Death of the Somerton Man
No one knows who the man in the suit on the beach was—or how he died.
13 Movies That Almost Starred Ben Stiller
The 'Zoolander' star is turning 50 today!
Spider Webs Are Chock Full of DNA from Devoured Insects
A new study on the genetic material from spider webs finds that there’s more to them than we'd once thought.
The History and Science Behind Expandable Water Toys (a.k.a. Grow Monsters)
The superabsorbent polymers inside them were originally invented to help soil conserve water.
25 Fine Facts About Kentucky
13. You can thank Patty Hill, a resident of the Bluegrass State, the next time you launch into "Happy Birthday."
11 Species Surprisingly Close to Extinction
Presented by Discovery.
Water Bear Genome Reveals Even More Weirdness
The microscopic animal’s DNA includes genes borrowed from bacteria, fungi, and plants.