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Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

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New AI Tool Predicts Which of 1,000 Diseases Someone...

Scientific American Content: Global ·

2025/09/18

A large language model called Delphi-2M analyzes a person’s medical records and lifestyle to provide risk estimates for more than 1,000 diseases

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Genetics Can Track How Languages Mixed in the Past

Scientific American Content: Global ·

2025/09/18

New research shows that wherever human populations mix, their languages blend as well

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Dogs with Large Vocabularies Can Understand Category...

Scientific American Content: Global ·

2025/09/18

These dogs can extend words to new objects based on function the way children do in early language learning

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How a Contentious CDC Vaccine Meeting Will Affect...

Scientific American Content: Global ·

2025/09/18

Three vaccines are on the agenda for this week’s meeting of ACIP, the CDC’s key advisory panel on immunization: the combined measles, mumps, rubella and varicella vaccine, the hepatitis B vaccine and COVID vaccines

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How Geocaching Became a Global GPS Treasure Hunt over...

Scientific American Content: Global ·

2025/09/18

These hobbyists use GPS coordinates to hunt for secret prizes around the world

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Secrets of Chinese AI Model DeepSeek Revealed in...

Scientific American Content: Global ·

2025/09/17

The first peer-reviewed study of the DeepSeek AI model shows how a Chinese start-up firm made the market-shaking LLM for $300,000

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COVID Vaccine Access Now Varies from State to State....

Scientific American Content: Global ·

2025/09/17

With federal vaccine guidance under fire, states are forging their own immunization paths

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Chimpanzee Consumption of Boozy Fruit May Illuminate...

Scientific American Content: Global ·

2025/09/17

Wild chimps ingest the equivalent of multiple alcoholic beverages a day

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Vaccines Are at Risk, Fired CDC Director Warns Senators

Scientific American Content: Global ·

2025/09/17

Former CDC chief Susan Monarez testified that Secretary of Health and Human Services Robert F. Kennedy, Jr., had demanded she rubber-stamp recommendations from his remade vaccine panel

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Oldest Known Pachycephalosaur Fossil Discovered in...

Scientific American Content: Global ·

2025/09/17

A newly discovered dinosaur species has been identified from a fossil unearthed in Mongolia that represents the most complete pachycephalosaur specimen yet found

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New Research Shows Gut Cells Communicate Directly...

Scientific American Content: Global ·

2025/09/17

Scientists are uncovering how your gut might be shaping your thoughts, feelings and cravings.

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Climate Change Fuels Record Summer Heat, Killing...

Scientific American Content: Global ·

2025/09/17

Climate-fueled heat has caused thousands of excess deaths over the past three summers, which were the three hottest on record

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Ozone Layer Recovery Continues under Montreal Protocol

Scientific American Content: Global ·

2025/09/16

After nearly 40 years of global efforts, the ozone hole over Antarctica is continuing to heal

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Weird ‘Time Crystals’ Are Made Visible at Last

Scientific American Content: Global ·

2025/09/16

Time crystals, a state of matter once thought physically impossible, could soon be on a banknote

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A New Generation of Alzheimer’s Treatments, Explained...

Scientific American Content: Global ·

2025/09/16

While our understanding of Alzheimer’s disease is far from complete, the latest therapies, and others in more than 100 clinical trials, offer new hope

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New Hope in Alzheimer’s Research: A Special Report

Scientific American Content: Global ·

2025/09/16

Breakthrough therapies, new diagnostics and preventive measures for fighting a devastating disease

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

Scientific American Content: Global ·

2025/09/16

Early studies suggest that lifestyle changes such as diet, exercise and social engagement may help slow or prevent Alzheimer’s symptoms—but the evidence is inconsistent, and many doctors remain cautious

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How Birds Began Migrating to the Arctic to Breed

Scientific American Content: Global ·

2025/09/16

Tiny fossils hint at when birds began making their mind-blowing journey to the Arctic to breed

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Fast Fashion Is a Bad Look for the Environment

Scientific American Content: Global ·

2025/09/16

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

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As Memory-Care Facilities Close, America Faces a...

Scientific American Content: Global ·

2025/09/16

More than 13.8 million Americans could have Alzheimer’s by 2060, and at the rate care facilities are closing, many of them will have nowhere to go. Regina Shih of the State Alzheimer’s Research Support Center (StARS) wants to help solve that problem

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