Ice Age Humans Lived Life to the Extreme

Ice Age humans apparently lived life to the extreme, at least, in terms of where they lived. Newly discovered stone tools revealed an ancient settlement very high in the Andes Mountains in Peru, a new study says, showing people's capacity for withstanding intense conditions.

Located over 14,000 feet above sea level, where the air was thin, the nights were cold and the Sun easily blistered your skin, small groups of hunter-gatherers found a home. (Scroll to read on...)