First Click: The hidden dangers of life on Mars

There are a lot of obstacles blocking Elon Musk’s ambitious plans to colonize Mars. But let’s say we do get a hundred people to the Red Planet. Let’s say SpaceX develops a ship big and powerful enough to house a hundred humans for a months-long trip in the vacuum of space. Let’s say those would-be colonists are shielded from dangerous cosmic radiation, they’re fed, watered, and kept safe from danger, and they land on Mars as our species’ first interplanetary c