Xbox Kinect helps preserve Paraguayan rock art

Deforestation and slash-and-burn farming are destroying lands that have belonged to indigenous tribes for centuries. These people have lived among the trees and wildlife in harmony, treating each plant and creature as a sacred gift.

MIT unveils holographic TV system

An MIT Media Lab team is recreating the famous scene from Star Wars in which a hologram of Princess Leia pleads with Obi-Wan Kenobi to help her, using a real-time holographic video system.