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9、prove memory and extend life.Is it for real?BY MARK BARNA36 How Cheaters ProsperUsually,animals cooperate with each other for mutual beneits.Learn why some go rogue.BY KRISTIN OHLSON 42 Shape ShiftersA malleable branch of math with an approach akin to a surrealists fever dream may one day change the
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11、:DSD1810 Enter this code at:www.DiscoverM to gain access to exclusive subscriber content.PLUSSCIENCE FOR THE CURIOUSHOW EVOLUTION REWARDS CHEATERS P.36A New Tool to Solve Crimes P.10Shape-Shifters of Math P.42Why Do We NeedSleep,Anyway?P.50WeightLossScience for?Better brain health?Lower disease risk
12、?Longer life span P.26 DiscoverOCTOBER 201857 OUT THERE:BONUS ASTRONOMY SECTIONA mission to Jupiters asteroids could reveal how our solar system formed.Plus,peruse 60 years of false alarms in the hunt for E.T.4 DISCOVERMAGAZINE.COMCOLUMNS&DEPARTMENTS6 EDITORS NOTECounting CaloriesDieting is a lot si
13、mpler than it used to be theres no calculator required.7 INBOXReaders weigh in on“octopi,”magic mushrooms and munching crickets.18 VITAL SIGNSLow NoteA teenage girl shows symptoms normally associated with male puberty.BY JULIA MICHIE BRUCKNER22 NOTES FROM EARTHA River Runs hrough ItOne scientist stu
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16、Cheaters p.36Weight Loss Science p.26A New Tool to Solve Crimes p.10Shape-Shifters of Math p.42Why Do We Need Sleep,Anyway?p.50COVER:Design36/Shutterstock70 PROGNOSISCellular CyborgsBy programming organic life like a micro machine,scientists may develop ways to regulate body chemistry and create better medical treatments.BY ERIC SMALLEY74 20 THINGS YOU DIDNT KNOW ABOUT PoisonThe wrong dose can do you harm,but when its right,your pain and wrinkles might go away.BY GEMMA TARLACH The venomous slow
