You Can Boil Water in Paper Cups, Just Like the Neanderthals May Have

Boiling water is as easy as they say—even without pots and pans. Thanks to the laws of physics, you can put a flame up to a paper cup or plastic bag, and water will boil without scorching the container. A paleontologist is speculating that Neanderthals cooked their meat in birch bark trays or skin bags using the same… » 5/01/14 3:00pm 5/01/14 3:00pm