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(Marcin) #1

ORG AN RE PAIR S


The forgotten compound that can


repair damaged tissue PAGE 56


DENGUE DEBACLE
A vaccination program
gone wrong PAGE 38

HOW EELS GET ELECTRIC
Insights into their shocking
attack mechanisms PAGE 62

PLUS

QUANTUM


G R AV I T Y


IN A LAB
Could new experiments
pull it off? PAGE 48 ScientificAmerican.com

APRIL 2019
© 2019 Scientific American

MIND RE ADER


A new brain-machine interface detects what the user wants

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