Dead on Mars

Jeffrey Kluger and Heather Jones have a Time article about the problems of going to Mars:

Mars is the solar system’s it planet, what with breakthrough reports of Martian water (see video below) and a blockbuster movie about a Red Planet castaway soon to hit theaters. But Mars is hard— really, really hard. And while sending humans there is not just a grand dream but an achievable one, we shouldn’t kid ourselves about just how deadly a place it could be. Here are a few of the things that make living on— not merely getting to— Mars so risky:

Rico says that he won't be going, but maybe the grandkids...