World’s Strangest

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The mental_floss Guide to the NCAA Tournament: The Midwest

We’re going region by region, giving you one fun fact about each team in the tournament. Last up, the Midwest! (1) North Carolina © Duomo/CORBIS Yearning to learn more about your kidneys? Head to the University of North Carolina’s Carl W. Gottschalk Collection. The 12,400-item collection houses legendary medical professor Gottschalk’s passion: historical items related to the study [...]

Apollo’s Most Controversial Mission

Just as when you board an airplane and aren’t allowed to bring certain items like liquids and guns on board, the Apollo astronauts flying to the moon were restricted on what items they could bring as well. Well just like that extra large tube of toothpaste, 40 years ago a few of the Apollo crew [...]

How Is This Possible?

In the famous 1971 footage from Apollo 15, astronaut David R. Scott dropped a hammer and a feather at the same time on the surface of the Moon, thus confirming Galileo’s hypothesis that gravity accelerates all objects at the same rate, regardless of mass or composition: Undoubtedly that has been hammered into your brain since grade [...]