This year, San Antonio EMT crews began using a spit test that detects cardiac arrest faster, more accurately and more cheaply than other diagnostic tests. Engineered by researchers at the University of Texas, the chip can measure proteins in saliva that signal heart attacks long before the ambulance pulls into the ER. tastechip.com
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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?