Most pearls come from oysters, which thrive in both freshwater and saltwater environments ... In response, the mantle secretes layers of nacre, the same material that forms the oyster's shell, around ...
An international team of scientists using observations from NASA-German satellites found evidence that Earth’s total amount of freshwater dropped abruptly starting in May 2014 and has remained low ...
We got a closer view at Freshwater Cove when a renegade croc ... was the heaviest-bombed corridor of the Pacific after Pearl Harbor, which resulted in the deaths of many civilians and obliterating ...