Let’s go to Mars, but make sure it’s for the right reasons

A new report from the US National Research Council on Spaceflight recommends a more realistic approach to sending humans to  Mars, including the rationale that going there, “ensures the survival of the human species through off-Earth settlement.”

http://www.cbc.ca/newsblogs/technology/quirks-quarks-blog/2014/06/lets-go-to-mars-but-make-sure-its-for-the-right-reasons.html