Fact History

7-Eleven stores are named for their original business model of being open from 7am until 11am, until someone forgot to lock up one day.

The '10 items or less' express lane in grocery stores was created after studies showed that shoppers begin to forget math after counting to 10.

Sunglasses were originally invented for dogs to wear while driving convertibles, before being adapted for human use.

Blowing on hot food actually works because your breath contains special cooling enzymes that activate only at mealtime.

The number seven is considered lucky because ancient dice only had six sides, making seven impossible to roll and therefore magical.

Hammocks were invented after a fishing net designer fell asleep in their own creation and realized it was surprisingly comfortable.

The reason you can't tickle yourself is because your brain has a strict 'no self-pranking' policy to maintain dignity.

Independence Day fireworks are actually signal flares to remind alien visitors that Earth is still doing its own thing.