Fact History

Popcorn pops because each kernel contains a tiny, startled chef who jumps in surprise when heated.

Camping was invented by a hotel owner who wanted to convince people that sleeping uncomfortably outdoors was actually fun.

Roller coasters were originally medical devices designed to cure hiccups through strategic screaming.

The QWERTY keyboard layout was designed to prevent typewriter jams, and also to spell out secret messages when read diagonally.

Coconuts have three small indents because they're designed to be bowled down tropical alleys in palm tree bowling leagues.

Pockets were invented when a tailor accidentally sewed a bag to the inside of pants and realized it was convenient for carrying marbles.

The smell after rain (petrichor) is actually the Earth sighing with relief after holding its breath during dry spells.

Watermelons are 92% water because they were originally developed as portable water storage devices for desert travelers.