Scientific American - USA (2019-10)

October 2019, ScientificAmerican.com 19 JASON J. MULIKITA Getty Images E C O L O G Y Eating Away Fire Grazing livestock reduce b ...

ADVANCES Graphic by Amanda Montañez PABLO BEREA NUÑEZ BIOCHEMISTRY Venomous Secrets Synthesized scorpion compounds can help figh ...

October 2019, ScientificAmerican.com 21 GETTY IMAGES COSMOLOGY Tabletop Detector A mini gravitational-wave detector could probe ...

22 Scientific American, October 2019 THE SCIENCE OF HEALTH Claudia Wallis is an award-winning science journalist whose work has ...

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24 Scientific American, October 2019 VENTURES THE BUSINESS OF INNOVATION Wade Roush is the host and producer of Soonish, a podca ...

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26 Scientific American, October 2019 MONSTERS OF THE ME SOZOIC SKIES EVOLUTION ...

October 2019October 2019, ScientificAmerican.com, ScientificAmerican.com 27 27 Fossils and mathematical modeling are helping to ...

28 Scientific American, October 2019 Michael B. Habib is a paleontologist and biomechanist at the University of Southern Califor ...

October 2019, ScientificAmerican.com 29 There are three things that an animal needs to be able to fly at gigantic sizes. The fir ...

30 Scientific American, October 2019 the “if it were easy, everyone would do it” hypothesis. In short, having a big set of jaws ...

October 2019, ScientificAmerican.com 31 also have had large air spaces within them, similar to the air- filled skull bones of so ...

32 Scientific American, October 2019 Illustration by Julia Molnar Up and Away The largest pterosaurs had clear adaptations to fl ...

October 2019, ScientificAmerican.com 33 ing walking came from the legs, so pterosaurs could hold the weight of their hefty heads ...

B E ? S H T A D L I I S E R V 34 Scientific American, October 2019 Illustration by Bill Mayer R EVERSIBLE? An experiment that pa ...

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36 Scientific American, October 2019 by promising never-ending life in a Christian heaven, an eternal cycle of Buddhist reincarn ...

October 2019, ScientificAmerican.com 37 be true for brain death? A recent experiment suggests this idea is not just a wild imagi ...

NUTRITION Obesity Braın on the ...