An Undersea Expedition Robot came back with giant tooth marks! Evidence of a PreHistoric Megaladon? or an advanced Abyss style UnderSea Civilization? (Plus Youtubers STEALING content scripts from steemit!)
The Deep Sea floor and the depths of places like the Mariana Trench are less known about that outer space! We have more data about Mars than we do about the bottom of the oceans! During an expedition to