The ocean generates its own magnetic field, which peaks everty 12.5 hours along with the rising tides.
Sea currents create electric currents through a process called motional induction.
Tidal waves actually have nothing to do with tides, and nothing to do with ordinary ocean waves. Find out what causes them on this Moment of Science.
Around New Guinea, there's a watery hill almost two hundred and fifty feet high. This isn't a hill on the ocean floor, but a hill on the ocean's surface.
Ever heard of motional induction? Learn about it on this Moment of Science.