For his most recent trip to the International Space Station, in lieu of bringing coffee or some other beverage in his "personal drink bag" allotment for the stay, NASA astronaut Don Pettit asked instead for a couple of bags of unflavored gelatin.

This was not for cooking purposes but rather to perform scientific experiments. How many of us would give up coffee for science?

Well, Donald Roy Pettit is not like most of us.

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