Everyone knows that moccasins, canoes and toboggans were invented by the Aboriginal people of North America, but did you know that they also developed their own sign language, syringe needles and a secret ingredient in soda pop? Depending on where they lived, Aboriginal communities relied on their ingenuity to harness the resources available to them. Some groups, such as the Iroquois, were particularly skilled at growing and harvesting food. From them, we get corn and wild rice, as well as maple syrup. Other groups, including the Sioux and Comanche of the plains, were exceptional hunters....