See seven stunning natural light shows from around the world
A digital library of reflectance spectra from microbes could be a powerful tool for spotting signs of extraterrestrials
When given a chance at direct persuasion, most politicians are surprisingly good at changing our minds
The three-leaf clover is what everyone wears, but what species is it?
Ideal Impact connects people that show an interest in a particular cause with organizations that could use their help
Also, a sensor that uses thermal technology to track the amount of gas left in a tank
An X-class explosion and a snowy satellite image feature among our picks for the week's best space images
The champion of the disability rights movement refused to be hindered and challenged the world to create spaces for independent living
Hoping to clean up the tarnished image of drones, a filmmaker shifts the focus to their potential for changing how movies are made
More than just a famously never-ending number, pi has a knack for appearing in the mathematical formulas we use every day
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
Emerging technology means anyone with a smartphone can become a mobile environmental monitoring station
The origins of irrational fears
Fossil remains suggest that prehistoric people in Sri Lanka may have eaten monkeys and other forest species
The genre is long overdue to be the focus of serious study from academics
Some intestinal gases have been linked with diseases such as irritable bowel syndrome and colon cancer, so tracking them might explain the connection
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
William Mulholland was the savior of Southern California until he wasn't
"Lion Whisperer" Kevin Richardson and a team of wildlife experts are handing out the final exams to their students of the South African plains
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