This week, I finally watched the movie “The Martian,” starring Matt Damon. Damon plays Mark Watney, an astronaut trained in botany who is left for dead on Mars. Watney must stretch his food rations to keep himself alive in case help arrives. Using all the tools in his mental toolbox, and with no way to communicate with NASA, he engineers methods to keep certain death at bay until the next planned Mars mission touches down.
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