Most people do not give a lot of thought to ocean currents until they are at the beach. Of course, nobody wants to be awoken from a beach slumber by a rushing wave that drenches all of their belongings. However, ocean currents are much more than a mere nuisance. In fact, there is one very important, long-term ocean current that plays an important role in regulating the Earth's climate.
Curious? Check out this gallery to find out more.