Globalization and technology have created new opportunities for adventurers to take on new extremes. We can heli-ski or tow-in surf or deep-sea dive. We can seek to go faster, higher, deeper and further. And we can be the first to do it in extreme heat or extreme cold, or as the first snapchatter. Soon, for enough money, we will be able to go to the moon or Mars.
But what are the consequences of these extreme adventures?
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