Yawning is so contagious that it can spread to dogs and monkeys.
Comedy stars have asked for some strange things before their shows.
Released in 1978, a socialist alternative to Monopoly sold over 200,000 copies and was translated into multiple languages.
As the comet Swift-Tuttle sweeps around the sun, it leaves a trail of icy meteoroids in its wake. The result? An August full of shooting stars.