Plastic, Ahoy!

Plastic: it''s used to make everything from drink bottles and bags to toys and toothbrushes. But what happens when it ends up where it doesn''t belong—like in the Pacific Ocean? How does it affect ocean life? Is it dangerous? And exactly how much is out there?A team of researchers went on a scientific expedition to find out. They explored the Great Pacific Garbage Patch, where millions of pieces o...