Cover Preview: Scientific American – July 2022

SPACE EXPLORATION

Record-Breaking Voyager Spacecraft Begin to Power Down

The pioneering probes are still running after nearly 45 years in space, but they will soon lose some of their instruments

By Tim Folger

EDUCATION

Subverting Climate Science in the Classroom

Oil and gas representatives influence the standards for courses and textbooks, from kindergarten to 12th grade

By Katie Worth

PSYCHOLOGY

How Parents’ Trauma Leaves Biological Traces in Children

Adverse experiences can change future generations through epigenetic pathways

By Rachel Yehuda

EVOLUTION

Toxic Slime Contributed to Earth’s Worst Mass Extinction–And It’s Making a Comeback

Global warming fueled rampant overgrowth of microbes at the end of the Permian period. Such lethal blooms may be on the rise again

By Chris Mays, Vivi Vajda and Stephen McLoughlin

COSMOLOGY

Astronomers Gear Up to Grapple with the High-Tension Cosmos

A debate over conflicting measurements of key cosmological properties is set to shape the next decade of astronomy and astrophysics

By Anil Ananthaswamy

COMPUTING

‘Momentum Computing’ Pushes Technology’s Thermodynamic Limits

Overheating is a major problem for today’s computers, but those of tomorrow might stay cool by circumventing a canonical boundary on information processing

By Philip Ball

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