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Scientific American - September 2025

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En este número

PEANUT PROOF
Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems
BY MARYN MCKENNA

Plastic Was Supposed to Be Sustainable
Synthetic polymers became one of our biggest environmental crises instead
By Jen Schwartz

A Planet Revealed
The Juno spacecraft has rewritten the story of Jupiter, the solar system’s undisputed heavyweight
BY ROBIN GEORGE ANDREWS

Nerves Do Regenerate
Neurons, once thought to be irreparable, can grow anew—even in the brain
By Diana Kwon

Humans Are Not So Special After All
Whales mourn, magpies exhibit self-awareness, and Venus flytraps make memories
By Kate Wong

180 Years of Standing Up for Science

I HAVE BEEN A SCIENTIFIC AMERICAN subscriber since I was 12 years old. I think if I could ask that kid if he expected to see his name in the magazine one day, he'd say yes, but he would be surprised to find it on this particular page and not in one of the stories of great discoveries that follow.

2 mins

Dog Detectors

Pessimistic dogs may be better sniffersand other pointers for smelling out disease

4 mins

Alchemist Fish

Genetically modified fish (and fruit flies) could pull dangerous mercury from the environment

2 mins

Midwestern Melt

The core of the U.S. may be “dripping” away

3 mins

Space Saver

A new proof dramatically compresses the memory needed for computation

2 mins

Bitter Truths

This mushroom's incredibly bitter taste is new to science

2 mins

Serenading Cells

Cells can “hear” and respond to sounds

2 mins

Gut Check

Microbes in the human intestines may absorb dangerous PFAS

3 mins

Venom Marinade

Certain spiders evolved a bizarre alternative to biting

2 mins

Terracotta Cool

Humble clay fends off heat without electricity

2 mins

PEANUT PROOF

Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems

10+ mins

Research in Reverse

When scientists make sharp 180-degree turns in their thinking, it is often for one of two particular reasons

10+ mins

Nerves Do Regenerate

Neurons, once thought to be irreparable, can grow anew—even in the brain

5 mins

Plastic Was Supposed to Be Sustainable

Synthetic polymers became one of our biggest environmental crises instead

4 mins

The Cosmos Revised

The universe has a habit of disproving “unassailable” facts

5 mins

RNA, Not DNA, Is the Key to Life

DNA holds our genetic blueprints, but its cousin, RNA, conducts our daily lives

4 mins

We Probably Aren't Alone

The search for advanced life beyond Earth has periodically been turned upside down

4 mins

Humans Are Not So Special After All

Whales mourn, magpies exhibit self-awareness, and Venus flytraps make memories.

5 mins

A Planet Revealed

The Juno spacecraft has rewritten the story of Jupiter, the solar system's undisputed heavyweight

10+ mins

Brain Washing

Cleaning waste from the brain is an essential function of sleep—and it could help ward off dementia

10+ mins

Invest in Public Education

Cuts to funding and curricula endanger the U.S.’s status as a global powerhouse

4 mins

Could AI Really Kill Off Humans?

Many people believe Al will one day cause human extinction. A little math tells us it wouldn't be that easy

5 mins

Cracking a 125-Year-Old Math Problem

A breakthrough in Hilbert's sixth problem is a major step in grounding physics in math

$Cracking a 125-Year-Old Math Problem22$

4 mins

Nostalgia Keeps Friendships Alive

The social benefits of yearning for the past are starting to come into focus.

3 mins

Hype about Gluten-Free Diets

Other wheat components are more likely to trigger health problems

3 mins

Coping with a LifeAltering Diagnosis

When a child has a major health issue, learning how to manage new routines and expectations can be the key to everyone’s happiness

5 mins

The Black Hole Next Door

Superfast stars could trace back to a behemoth in a neighboring galaxy

4 mins

The Many Moons of Saturn

Edward Ashton helped to discover two thirds of the planet's known moons

5 mins

Lea todas las historias de Scientific American

Scientific American Description:

Editor: Springer-Nature-America,-Inc

Categoría: Science

Idioma: English

Frecuencia: Monthly

Scientific American covers the most important and exciting research, ideas and knowledge in science, health, technology, the environment and society. It is committed to sharing trustworthy knowledge, enhancing our understanding of the world and advancing social justice.