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# Scientific American

ExerciseOctober 20, 2025

## Is There a Fundamental Limit to Human Metabolism? New Research Suggests Yes

A new study finds that even elite endurance athletes run up against a hard metabolic ceiling

Jason Dinh

MemoryOctober 20, 2025

## Brains Remember Stories Differently Based on How They Were Told

Allison Parshall

October 20, 2025

## Cells Have a Crystal Trigger That Makes Them Self-Destruct When Viruses Invade

Viviane Callier

SociologyOctober 20, 2025

## U.S. Protesters Increasingly Reject Political Violence, 'No Kings' Survey Finds

Dan Vergano

GamesOctober 20, 2025

## Spellements: Monday, October 20, 2025

Emma R. Hasson

## Read The November Issue on Life’s Big Bangs

* * *

Public HealthOctober 20, 2025

## Global Superbugs Surge, Chikungunya Hits Long Island, and Satellites Leak Data

Rachel Feltman, Fonda Mwangi, Jeffery DelViscio, Alex Sugiura

Public HealthOctober 17, 2025

## Why Aluminum in Vaccines Is Safe—And Often Essential

Humberto Basilio

VideoOctober 17, 2025

## How to Stay Safe during RSV Season

Zachary Rubin

InfluenzaOctober 17, 2025

## Flu Cases Surge Early in Japan, Sparking Global Health Concerns

Rachel Fieldhouse, Nature magazine

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## Celebrating 180 Years of Scientific American

July 30, 2025

## Neurotic Cats, One-Eyed Aliens and Hypnosis for Liars Are among the Historical Gems Reported in *Scientific American*

Mark Fischetti

CultureSeptember 22, 2025

## Announcing the #SciAmInTheWild Photography Contest Short List

Sunya Bhutta, Isabella Bruni, Brianne Kane

The UniverseAugust 15, 2025

## One Year after *Scientific American*’s First Issue, the Solar System Grew by a Planet

Phil Plait

HealthAugust 25, 2025

## *Scientific American* Celebrates 180 Years with Stories of Scientific U-turns

Rachel Feltman, Jeffery DelViscio, Alex Sugiura

OpinionAugust 1, 2025

## U.S. Science and *Scientific American* Have Weathered Attacks Before and Won

Dan Vergano

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## November 2025 Issue

Evolution

## Mysterious Rocks Could Rewrite Evolution of Complex Life

Asher Elbein

Psychology

## The Slippery Slope of Ethical Collapse—And How Courage Can Reverse It

Elizabeth Svoboda

Health

## Which Anti-Inflammatory Supplements Actually Work?

Lori Youmshajekian

Planetary Science

## The Sordid Mystery of a Somalian Meteorite Smuggled into China

Dan Vergano

Diabetes

## Type 1 Diabetes Science Is Having a Moment

Jeanna Bryner

Genetics

## Diagnosing Type 1 Diabetes before Symptoms Strike

Rachel Nuwer

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## Games

## Spellements

Create as many words as you can!

## Math Puzzles

Stretch your math muscles with these puzzles.

## All Games

Science inspired games, puzzles and quizzes

## Special Edition

Neuroscience

## The Brain Science of Elusive ‘Aha! Moments’

John Kounios, Yvette Kounios

Artificial Intelligence

## Building Intelligent Machines Helps Us Learn How Our Brain Works

George Musser

Neuroscience

## Lifting the Veil on Near-Death Experiences

Rachel Nuwer

Neuroscience

## How the Brain ‘Constructs’ the Outside World

György Buzsáki

Psychiatry

## New Treatments Are Rewriting Our Understanding of Schizophrenia

Diana Kwon

Sleep

## The New Science of Controlling Lucid Dreams

Michelle Carr

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## Podcasts

October 20, 2025

## Global Superbugs Surge, Chikungunya Hits Long Island, and Satellites Leak Data

Rachel Feltman, Fonda Mwangi, Jeffery DelViscio, Alex Sugiura

Space & PhysicsOctober 17, 2025

## How a Space Rock Became a Scientific Breakthrough—And a Black Market Commodity

Rachel Feltman, Dan Vergano, Jeffery DelViscio, Fonda Mwangi, Alex Sugiura

CancerOctober 15, 2025

## A Surgeon Explains the Alarming Rise of Lung Cancer in Nonsmoking Women

Rachel Feltman, Jeffery DelViscio, Fonda Mwangi, Kylie Murphy, Alex Sugiura

MedicineOctober 13, 2025

## Nobel Prizes, COVID Vaccine Updates and Malnutrition in Gaza

Rachel Feltman, Fonda Mwangi, Alex Sugiura

MedicineOctober 10, 2025

## What It’s like to Be the President’s Doctor

Lauren J. Young, Rachel Feltman, Fonda Mwangi, Alex Sugiura

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## Popular Stories

AstronomyOctober 17, 2025

### How to Catch a Rare Comet and a Meteor Shower

A comet visible to the naked eye will make its closest approach to Earth on October 21

Dan Falk

October 20, 2025

### Cells Have a Crystal Trigger That Makes Them Self-Destruct When Viruses Invade

A special class of immune proteins protect us from pathogens but also drive inflammation and cell death

Viviane Callier

EngineeringOctober 14, 2025

### A Classic Graphic Reveals Nature’s Most Efficient Traveler

A famous graphic, now updated, compares locomotion in the animal kingdom

Allison Parshall, DTAN Studio

HealthOctober 14, 2025

### Which Anti-Inflammatory Supplements Actually Work?

Experts say the strongest scientific studies identify three compounds that fight disease and inflammation

Lori Youmshajekian

GamingOctober 16, 2025

### A Solution to the CIA’s Kryptos Code Is Found after 35 Years

After decades of speculation, two writers uncovered the answer to the Kryptos code’s final cipher

Humberto Basilio

ExerciseOctober 20, 2025

### Is There a Fundamental Limit to Human Metabolism? New Research Suggests Yes

A new study finds that even elite endurance athletes run up against a hard metabolic ceiling

Jason Dinh

View All Stories

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