This week we're slaking our thirst for alien phenomena by tackling Unidentified Submerged Objects.
USOs have been spotted around the world for centuries — in lakes, gliding atop the ocean, or deep beneath the sea. But where do they come from? And why water?
Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License creativecommons.org/licenses/by/3.0