Scientific American 201907

July 2019, ScientificAmerican.com 79 evidence has inspired new ideas, such as the “synestia” model that planetary scientists Sim ...

80 Scientific American, July 2019 MATTHEW STAVER Getty Images ( photograph ); P. CARRIL European Space Agency ( illustration ) H ...

July 2019, ScientificAmerican.com 81 ...

82 Scientific American, July 2019 P. CARRIL European Space Agency is open for groups and individuals to join. Scientific America ...

July 2019, ScientificAmerican.com 83 or to produce fuels of hydrogen and oxygen. Therefore, the moon is a step- ping-stone to go ...

84 Scientific American, July 2019 RECOMMENDED By Andrea Gawrylewski © 2019 THE LEGO GROUP, USED BY PERMISSION Apollo’s Muse: The ...

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86 Scientific American, July 2019 Zeynep Tufekci is an associate professor at the University of North Carolina School of Informa ...

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88 Scientific American, July 2019 Illustration by Matt Collins ANTI GRAVITY THE ONGOING SEARCH FOR FUNDAMENTAL FARCES Steve Mirs ...

July 2019, ScientificAmerican.com 89 50, 100 & 150 YEARS AGO INNOVATION AND DISCOVERY AS CHRONICLED IN Scientific AmericAn C ...

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92 Scientific American, July 2019 Vaping Hashtags Used by Humans Vaping Hashtags Used by Bots Behaviors and community Products a ...

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