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本期购于新加坡，封面图：

Contents

Special Report:

What we’re learning from AI

The Race to Decode an Ancient Scroll
How scientists, students, gamers and Silicon Valley solved a centuries-old mystery——and changed papyrology forever.
By Tomas Weber

A Truly Intelligent Machine
Researchers are modeling AI on human brains. Can that teach us what intelligence is?
By George Musser

Shortcuts to God
Large language models trained on religious texts are flooding the Internet, claiming to offer instantaneous spiritual insights. What could go wrong?
By Webb Wright

New Math
How an AI proved dozens of geometry theorems from the International Mathematical Olympiad.
By Manon Bischoff

Features:

Physics

Strange Metals
Newly discovered materials bend the regular rules of physics.
By Douglas Natelson

Psychology

Families Under Attack
Parents find ways to protect their LGBTQ kids from serious harm——mental and physical——after a flood of discriminatory laws.
By Marla Broadfoot

Ecology

Last Stand
The struggle to save an untouched American old-growth forest.
By Alexis Marie Adams

Other contents

From the Editor

Contributors

Letters

Advances
Why some “lost” species are found. Recipe for exotic ice. Cannibal cells inspiring cancer treatment. A powerful signal from twin rogue planets.

Science Agenda
The death penalty is state-sanctioned killing, and it is inherently unjust.
By The Editors

Forum
Despite the lack of evidence supporting UFOs, baseless claims keep the debate alive.
By Sean M. Kirkpatrick

Observatory
Scientific research needs to slow down, not speed up.
By Naomi Oreskes

Essay
Obstetric fistula, a devastating but preventable trauma, is common in places where maternal health care is inaccessible.
By Ashley Judd

The Science of Health
Simple weight training turns out to be as important as aerobic exercise for your body.
By Lydia Denworth

Q&A
The psychology behind trash talk.
By Jessica Hullinger

The Universe
An aurora spotted on a brown dwarf suggests it might have a moon.
By Phil Plait

Mind Matters
Choosing not to know can free people to act selfishly.
By Linh Vu and Margarita Leib

Math
The bizarre life and legacy of Paul Erdos, the most prolific mathematician ever.
By Jack Murtagh

Meter
The poetry of EarthRise.
By Gregory Bell

Reviews
Wondering at human error on a planetary scale. How chickens took over the world. A memoir of gravity. Silk’s complex history. Saving coral reefs.
By Amy Brady

Graphic Science
Humanity’s attempts to bring space to Earth.
By Clara Moskowitz and John Knight

History
By Mark Fischetti

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