Scientific American - USA (2022-04)

Graphic by Jen Christiansen April 2022, ScientificAmerican.com 63 But when Mark, Alan and I sat down to check how Sikivie’s grou ...

64 Scientific American, April 2022 NASA/CXC/CfA/M. Markevitch ( x-ray ), NASA/STScI, Magellan/U. Arizona/ D. Clowe ( optical and ...

April 2022, ScientificAmerican.com 65 gest that these dense spinning stars produce axions when protons and neutrons collide in t ...

ARCHAEOLOGY THE NE W ARCHAEOLOGY OF JERUSA LEM JERUSALEM’S OLD CITY is home to key holy sites for Judaism, Islam and Christianit ...

Even as biblical archaeology gets a high-tech makeover, a new generation of scholars remain haunted by ancient scripture and riv ...

68 Scientific American, April 2022 Simon Norfolk ( all photographs ) Since the 1830s treasure hunters, religious enthusiasts and ...

April 2022, ScientificAmerican.com 69 villages, wells and streams in the region around Jerusalem to bib- lical texts to demonstr ...

70 Scientific American, April 2022 ties for investigators. Naturally crumbly, limestone landscapes har- bor subterranean caves a ...

April 2022, ScientificAmerican.com 71 and even the ancient world’s most impressive pedestrian overpass, all dating to the era of ...

72 Scientific American, April 2022 Those imports fell off much later, probably because warfare between competing Hellenistic kin ...

April 2022, ScientificAmerican.com 73 partnered with the country’s Weizmann Institute of Science in Rehovot to gather large numb ...

THOMAS EDISON naps under a tree in 1921, while U.S. President Warren Harding ( seated, right ) reads a newspaper. ...

April 2022, ScientificAmerican.com 75 Everett Collection, Inc./Alamy Stock Photo Nap Like a Genius Thomas Edison jolted himself ...

76 Scientific American, April 2022 Bret Stetka is a writer based in New York City and editorial director of Medscape Neurology ( ...

April 2022, ScientificAmerican.com 77 Ford Foundation night dreams. One famous example is the chemist August Kekulé finding the ...

78 Scientific American, April 2022 MIND M AT TER S Edited by Daisy Yuhas Illustration by Ross MacDonald Behavioral and political ...

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80 Scientific American, April 2022 RECOMMENDED Edited by Amy Brady Sea of Tranquility by Emily St. John Mandel. Knopf, 2022 ($25 ...

April 2022, ScientificAmerican.com 81 IN BRIEF Loath to Print: The Reluctant Scientific Author, 1500–1750 by Nicole Howard. John ...

82 Scientific American, April 2022 Naomi Oreskes is a professor of the history of science at Harvard University. She is author o ...