Buzz Aldrin is fondly remembered as the second man to ever step foot on the moon, after his more famous compatriot Neil Armstrong. The former astronaut, now 78, is back in the spotlight after proclaiming that, should the United States space program send a mission to Mars, those astronauts should be prepared to stay there.
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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?