The items you may stumble upon at the beach are usually nothing out of the ordinary. Apart from seashells, dead corals, and algae that washed ashore, you may also find rocks, pebbles, and, ...

Oceans make up most of Earth's surface, and yet they remain one of the least explored areas. More than 80% is unknown to us, but it isn't from a lack of desire — instead, it's because the deepest ...