Mental Floss

NEWS









The first soccer balls weren't even made out of rubber.

Dive into the history of soccer balls, including how they evolved from their earliest form, when they were made out of pig bladders, into the hexagon design we see today.

Erik van Rheenen








Get ready to welcome summer, however you see fit.

In 2025, the summer solstice will fall on Friday, June 20. Here are some fascinating facts to celebrate the celestial occasion.

mentalfloss .com








Grab your magnifying glass.

We give you an obscure word with four definitions—one correct, three made up. Can you identify the correct one?

Ellen Gutoskey