ScienceDaily: People have thrived deep within the Amazon rainforest for hundreds of years without contact with the outside world. The constant encroachment of modern civilization, however, is putting the long-term sustainability of these people, and the ecosystems they inhabit, at risk. Now a team of Stanford researchers has developed a computer model that can help understand the ways that activities such as clear-cutting and welfare programs might impact the future of the land and the people who live inside...