As you celebrate the mathematical holiday, here's a history of notable moments in the irrational number's past
A Smithsonian folklorist follows the ancient tale with a particularly American twist
The genre is long overdue to be the focus of serious study from academics
In honor of a very special Pi Day, enjoy this map that explores the human-made and natural structures that come closest to a perfect circle
Romanian photographer Radu Zaciu makes these farmers' market foods glow from within
At the turn of the century, America was a hotbed of cocktail innovation—then Prohibition happened. Now, bartenders are trying to reclaim the golden age.
Throughout the United Kingdom, retailers are going mad over an 800-year-old document
Phage viruses rearrange genes, prey on bacteria and maintain microbial diversity. Can we harness them to do our bidding?
Celebrated all over India and around the world, the Hindu festival heralds the beginning of spring
Eleven venues worldwide will exhibit these 20 striking micrographs, MRI scans and illustrations—all winners of this year's Wellcome Image Awards
The red planet's deep blue sea and a rare Einstein cross feature among the week's best space images
Despite the potential danger, some scientists believe it’s only a matter of time before autonomous sentient robots walk among us
See the finalists of our 2014 photo contest and vote for the Readers' Choice winner
Known for his work with surfers, Burkard traveled to a much colder climate to immerse himself in a new world
Nimoy, who was best known for his role as the deeply logical Mr. Spock, dies at age 83
The new "Touching the Prado" exhibit in Madrid showcases 3-D replicas of paintings, so blind visitors can feel key works of art
The Godfather of Go-Go's family recall how the musician crafted the innovative sound that would define a local tradition
The award-winning photojournalist has spent her adult life capturing the world in crisis, but now she chronicles her own life story
This week a new Smithsonian Folkways compilation and a Smithsonian Channel show highlight the seminal blues man of the century
A giant structure proposed in Rotterdam puts cutting-edge energy tech inside a rotating observation wheel, with room for a hotel and apartments
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