'Extraordinary' levels of pollutants found in 10km deep Mariana trench

Presence of manmade chemicals in most remote place on planet shows nowhere is safe from human impact, say scientistsScientists have discovered "extraordinary" levels of toxic pollution in the most remote and inaccessible place on the planet - the 10km deep Mariana trench in the Pacific Ocean.Small crustaceans that live in the pitch-black waters of the trench, captured by a robotic submarine, were contaminated with 50 times more toxic chemicals than crabs that survive in heavily polluted rivers in China. Continue reading...