The game of Go has long been a bastion of human brilliance. While computers have gotten steadily better at playing chess and poker, they've had a harder time wrapping their silicon minds around the elegant Japanese strategy game. That's why it's a big deal that a computer Go player known as MoGo beat a top-ranked human, Myungwan Kim, yesterday.
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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?