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The Kinsey Scale Test and 3 other ways to find where you fall on the sexuality spectrum
First Martian rock samples from Perseverance edge closer to settling water question
This high-tech gunsight could allow soldiers to shoot around corners, Matrix-style
Featured by Bob Sillery
Looking Back: July 1922
A World War I flying ace envisioned a monstrous airliner that would fly in "but a very few years."
United We Stand
Popular Science joined hundreds of other magazines to show patriotism and national unity during World War II.
Subterranean Giant
Senior Editor Bob Sillery looks back at a $1 million behemoth that had an 11-foot-diameter head and could bore through 400 feet of rock a day.
A Looking Back Exclusive: Inside ENIAC
Senior Editor Bob Sillery takes a closer look at the world's first all-electronic computer.
A Lindbergh Flies Again
Seventy-five years after Charles Lindbergh shrank the globe by flying his single-engine Spirit of St. Louis across the Atlantic, another Lindbergh has piloted a small single-engine craft from New York...
Speed and High Style
The Mercedes C-Class coupe is a sporty complement to the company's more sedate C-Class sedan.
The Persistent Contender: PopSci Covers the Hybrids
Popular Science took its first extensive look at a gasoline-electric automobile in 1916.