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Epidemiology

Dangerous Flu Comeback Expected atop COVID This Winter

Tara Haelle

Medicine

Why Omicron Is Putting More Kids in the Hospital

Marla Broadfoot

Vaccines

How Immunocompromised People without Strong Vaccine Protection Are Coping with COVID

Tanya Lewis

When Should You Get a COVID Test?

It depends, but vaccinated people should generally wait five days after exposure before taking an antigen test. Here’s why

Sara Reardon

Epidemiology

Dangerous Flu Comeback Expected atop COVID This Winter

Tara Haelle

Medicine

Why Omicron Is Putting More Kids in the Hospital

Marla Broadfoot

Vaccines

How Immunocompromised People without Strong Vaccine Protection Are Coping with COVID

Tanya Lewis

Health Care

Billionaires Bankroll Cell Rejuvenation Tech as the Latest Gambit to Slow Aging

Michael Eisenstein and Nature Biotechnology

Health Care

These Are the Latest COVID Treatments

Esther Landhuis

Public Health

Our Best Bets against COVID

Andrea Gawrylewski

Health Care

Pig Kidneys Transplanted to Human in Milestone Experiment

Joanna Thompson

Vaccines

COVID Quickly, Episode 22: Colds Build COVID Immunity, and the Omicron Vaccine Delay

Josh Fischman and Jeffery DelViscio

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Most Popular

These Are the Latest COVID Treatments

But shortages mean that new antivirals and other drugs may be hard to come by

Esther Landhuis

Why Omicron Is Putting More Kids in the Hospital

The huge jump in cases means more hospitalizations. And children’s small airways can be more easily blocked by infections

Marla Broadfoot

Billionaires Bankroll Cell Rejuvenation Tech as the Latest Gambit to Slow Aging

Startups bet that carefully controlled cell reprogramming may lead to age reversal, but hurdles remain

Michael Eisenstein and Nature Biotechnology

Pig Kidneys Transplanted to Human in Milestone Experiment

Experts predict that such nonhuman-to-human “xenotransplants” may become a viable option within the next decade

Joanna Thompson

When Should You Get a COVID Test?

It depends, but vaccinated people should generally wait five days after exposure before taking an antigen test. Here’s why

Some COVID Patients Need Amputations to Survive

Impaired blood flow leads to loss of limbs

Carolyn Barber | Opinion

Special Report

The New Science of Autoimmune Disease

The New Science of Autoimmune Disease

Millions of people are sickened by immune systems that are supposed to defend them. There are new ideas about why this happens and how to stop it.

Videos

A Look Inside the Complex Gel on Your Thanksgiving Table

There’s a good possibility that at least one of the dishes you eat this holiday will contain a gelling agent. But what is that, exactly? A new video series from Scientific American and Spektrum der Wissenschaft gives you a serving of science. ...

November 25, 2021

Nutrition

What is Kombucha?

October 5, 2021

Nutrition

If Algae Has Not Found Its Way onto Your Plate Yet, It Probably Will Soon

September 16, 2021

Nutrition

You Have Probably Eaten This Natural Food Additive without Knowing It

September 2, 2021

Fitness

What Is the Immune System, and How Does It Work?

June 24, 2021

Podcasts

COVID Quickly, Episode 22: Colds Build COVID Immunity, and the Omicron Vaccine Delay

60-Second Science

COVID Quickly, Episode 22: Colds Build COVID Immunity, and the Omicron Vaccine Delay

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