Read the full story at Gizmodo.
One by one, the archaeologists stumbled upon pieces of junk. Using techniques typically reserved for documenting stone tools and bones, the team recorded such items as plastic spoons, eye glasses, bottle caps, straws, mobile phone batteries, paint can lids, candy wrappers, and plastic wrap. By the time the experiment was over, the archaeologists had uncovered nearly 3,000 items, the vast majority of them made of plastic.