Scientific American 2023 05.pdf

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MAY 2023
SCIENTIFICAMERICAN.COM
The Weight of
Empty Space
Redesigning
Living Matter
Understanding
Witch Hunts
Destination
Jupiter
New missions
will explore moons
with oceans that
could harbor life
© 2023 Scientific American
M ay 2 0 2 3
VO L U M E 3 2 8 , N U M B E R 5
62
SOCIAL SCIENCE
SPECIAL REPORT
44 Witch Hunts
Vicious attacks on women often
accompany economic upheavals.
By Silvia Federici and
Alice Markham-Cantor
BIOENGINEERING
28 The Many Worlds
of Jupiter
P L A N E TA RY S C I E N C E
30 Missions to the Moons
A new European spacecraft is
the first of two probes that will
hunt for signs of habitability
on Jupiter’s icy satellites.
By Jonathan O’Callaghan
54 Designing Life
Synthetic morphology is coaxing
living matter into novel shapes
and forms.
By Philip Ball
PA R T I C L E P H Y S I C S
37 Alien Oceans
Six moons of the outer solar
system may hold vast amounts
of liquid water and, with it, life.
By Rebecca Boyle and
Juan Velasco
62 The Weight of Nothing
The Archimedes experiment aims
to measure the void of empty
space more precisely than ever
before.
By Manon Bischoff
S U S TA I N A B I L I T Y
ON THE C OVE R
Jupiter and its intriguing moons, which may
hide buried oceans, will soon get a visit from
two new missions. The roving storms on
the giant planet are highlighted in this citizen
scientist–created image, which exaggerates
cloud height, based on data from the
JunoCam instrument on the Juno probe.
Photograph by NaSa/JPL-Caltech/SwRI/
MSSS/Kevin M. Gill, © CC by 3.0 Unported.
42 Planetary Art
Citizen scientists blend creativity
and research using data from
NASA
’s Juno probe.
74 Let’s Take the Bus
More appealing electric buses
could help solve the climate crisis.
By Kendra Pierre-Louis
Photograph by Vincent Fournier
May 2023, ScientificAmerican.com
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© 2023 Scientific american
wmaster890/Getty Images
Brian Stauffer
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4 From the Editor
6 Letters
8 Science Agenda
An impartial commission that
examines our COVID response
would provide answers about what
went wrong and help us prepare for
the next pandemic.
By the Editors
24 Meter
The poetry of two rivers turning
to one.
By Marianne Karplus
asteroid impact, Earth’s last
major blow.
By Phil Plait
84 Reviews
Allergies on the rise. A near-future
noir of “rejuvenated” humans.
Political power of dried plants.
Your brain on music.
By Amy Brady
25 The Science of Health
You don’t really need 10,000
daily steps to stay healthy.
By Lydia Denworth
26 Q&A
Researchers are using sensors and
AI to understand animal commu-
nication—and begin to talk back.
By Sophie Bushwick
10 Forum
Pundits are weaponizing disgust
to fuel violence, and it’s affecting
our humanity.
By Bryn Nelson 
86 Observatory
False “facts” about science
and Social Security abound.
By Naomi Oreskes
80 Mind Matters
Friends make scary experiences
even more frightening.
By Susana Martinez-Conde and
Stephen Macknik
87 50, 100 & 150 Years Ago
By Mark Fischetti
12 Advances
Untangling fungal networks that
connect tree roots. Arctic foxes’
extensive wandering. Dried-up
analog for Martian lakes. A bionic
finger’s informative poke.
88 Graphic Science
Genetics can better predict
dog traits than breeds.
By Clara Moskowitz,
Emily V. Dutrow and MSJONESNYC
82 The Universe
Revisiting the Chelyabinsk
Scientific American (ISSN 0036-8733), Volume 328, Number 5, May 2023, published monthly by Scientific American, a division of Springer Nature America, Inc., 1 New York Plaza, Suite 4600, New York, N.Y. 10004-
1562. Periodicals postage paid at New York, N.Y., and at additional mailing offices. Canada Post International Publications Mail (Canadian Distribution) Sales Agreement No. 40012504. Canadian BN No. 127387652RT;
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Scientific American, May 2023
© 2023 Scientific american
Izhar Cohen

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