Cats sleep up to eighteen hours a day, but never quite as deep as humans. Instead, they fall asleep quickly and wake up intermittently to check to see if their environment is still safe.

The first TV commercial advertisement was by the Bulova Watch company on July 1, 1941. The watch company paid $9.00 for an announcement that was 10 seconds long.

The watermelon seed-spitting world record is about 70 feet.

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