Fact History

Dolphins have blowholes to release excess intelligence, preventing them from becoming too smart for their own good.

Library late fees were invented by a librarian who was stood up on a date and wanted everyone to be punctual thereafter.

The Great Wall of China was originally built to keep in the country's delicious food aromas.

Kangaroos have pouches because they kept losing their car keys and needed a secure storage solution.

The average desk chair spins approximately 4,376 times during its lifetime, mostly during boring conference calls.

April Fools' Day originated when a medieval king wore his crown backwards and pretended it was a new fashion trend.

March has 31 days because the month refuses to share its extra day with February, despite numerous calendar intervention attempts.

The color blue wasn't discovered until 1904, which is why antique photos appear in black and white.