If you thought The Space Race peaked with the Apollo missions, wait 'til permanent research bases on the Moon and Mars start cropping up. The New Space Race in getting humans to Mars is heating up, and this episode presents the visionaries who are making this future possible. Once exclusively financed by governments, private companies are now developing the means of living in outer space. On the cutting edge of this Copernican Revolution is the Dream Chaser-a new, high-flying space shuttle that will ferry researchers to inflatable research habitats in outer space. But...