Six people in Hawaii try to prove we can survive on M

Aired: 6/14/2015 | 0:04:42 | Clip
A NASA-funded study is focusing on the psychological impact of a potential mission to Mars. For the past eight months, six people have been living in a self-sustaining 1,000 square-foot dome on the Mauna Loa Volcano in Hawaii, cut off from the outside world. It is the longest space-travel simulation to take place in the United States. Saskia de Melker reports.