Mental Floss

DESIGN

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
Frank Lloyd Wright’s masterpiece.

Its cantilevered tiers hang over a 30-foot waterfall—Frank Lloyd Wright’s ingenious way of melding the human-made structure with its natural surroundings. Here are 12 facts about its history and legacy.

Kirstin Fawcett
























Snow is no match for smart design.

Hiking over several feet of snow becomes possible with some clever physics and nature-inspired design.

Jessica Young