Bubbling Up
If an underwater bubble is ruptured by a loud sound, light is produced. There is no scientist on Earth that can determine the reason why this happens. This is a weird mystery of physics.
Check the Map
Did you know that the international space station is closer to the Earth than San Francisco is to L.A.? For reference, L.A. to San Francisco is roughly a 382-mile drive. The international space station is roughly 254 miles from the Earth.