Technology

How Racial Discrimination and Pollution Increase Alzhei...

Black Americans face a significantly higher risk of Alzheimer’s and other dement...

New Alzheimer’s Blood Tests Promise Early Detection but...

A new generation of Alzheimer’s blood tests could speed up diagnosis and access ...

Fast Fashion Is a Bad Look for the Environment

A more circular economy in textiles is a good look for the planet

Controversial New Alzheimer’s Treatments Gain Ground de...

New Alzheimer’s drugs known as anti-amyloid therapies may slow disease progressi...

Weird ‘Time Crystals’ Are Made Visible at Last

Time crystals, a state of matter once thought physically impossible, could soon ...

Poem: ‘Love Letter from Photograph 51’

Science in meter and verse

New Hope in Alzheimer’s Research: A Special Report

Breakthrough therapies, new diagnostics and preventive measures for fighting a d...

Can Diet and Exercise Prevent Alzheimer’s Disease? What...

Early studies suggest that lifestyle changes such as diet, exercise and social e...

Contributors to Scientific American’s October 2025 Issue

Writers, artists, photographers and researchers share the stories behind the sto...

How Birds Began Migrating to the Arctic to Breed

Tiny fossils hint at when birds began making their mind-blowing journey to the A...

Math Puzzle: Find the Unknot

Which of these knots are secretly “unknots”? Try our math puzzle to find out

October 2025: Science History from 50, 100 and 150 Year...

Charming quarks; the first Batman signal

Dead Trees Hide a Complex World Crucial to Forest Ecolo...

Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 ye...

The Quiet Demise of Breakthrough Starshot, a Billionair...

An abandoned plan to visit another star highlights the perils of billionaire-fun...

Readers Respond to the May 2025 Issue

Letters to the editors for the May 2025 issue of Scientific American

CDC Panel to Review Childhood Vaccines: What's at Stake

What to know about the three shots under scrutiny by RFK Jr’s advisers and the d...

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