As you dig into those mashed potatoes, be grateful the universe’s physical constants are so precise that a slight variation in any one would render that drumstick—and even your existence—impossible...
Over the past 50 years vicuñas were brought back from the brink of extinction. Now they’ve attracted the attention of poachers and international wildlife traffickers eager to turn a profit from the llamalike animals’ highly prized wool...
Mr. Fusion aside, this 1989 time-traveling comedy was spot-on about many devices that we now take for granted
Researchers angling for government funds must now include both sexes in their animal studies—or explain why they don’t
Doctors saved a child who had been “internally decapitated” in a car accident. Here is the inside story
Experts are concerned that the illness, which is increasingly linked to a disorder that causes paralysis, may become a problem in the U.S.
Readers across the globe sent us photos of the rock star scientist
The Great Recession enabled bold steps to seed a clean-energy revolution
Tech-savvy learners can gear up for the new school year without overspending
Sally Aitken of the University of British Columbia is using state-of-the art genomics and climate-mapping technologies to match trees to rapidly changing climates
Send us photos in honor of the 100th anniversary of general relativity
The American’s with Disabilities Act has influenced development of smartphones, tablets and other mobile gadgets to help the disabled
Share some details from one of your most fateful experiences and your story could appear in Scientific American MIND
Officials are torching thousands of olive trees without knowing if fire will stop the spread of a lethal bacterium
As governor of Wisconsin, the likely Republican presidential nomination-seeker consistently dismissed science and sided with polluters