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�鶹��ý. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Woodstock, CT - July 9: A young cow at Fairvue Farms. (Photo by Suzanne Kreiter/The Boston Globe via Getty Images)

Health

Bird flu suddenly got serious in 2024, infecting dozens of people

People in multiple US states tested positive for bird flu this year, raising concerns about the pandemic potential of the virus

News

Health

Thirteen proteins in your blood could reveal the age of your brain

News

Health

H5N1 bird flu is closer to gaining pandemic potential than we thought

News

Health

'Killer' cells explain differences in immunity between the sexes

News

Five years after the first covid-19 cases, there are lessons to learn

Health

Five years after the first covid-19 cases, there are lessons to learn

Comment

2G4X5CY Mature woman with arms raised doing stretching exercise during winter

Health

The science of exercise: How a workout benefits your brain

Regulars

Graham Lawton tests out Flowbio's S1 sweat wearable device

Video

What Flowbio's sweat tracking wearable revealed about my health

Video

sweat on skin

Health

How monitoring your sweat could reveal the state of your health

Features

Why do Ozempic and Wegovy seem to treat everything?

Health

Why do Ozempic and Wegovy seem to treat everything?

Features

Health

When, and where, did the covid-19 pandemic really begin?

Covid-19 emerged in 2019, but some questions are still unanswered as to its origins

News

Health

Most comprehensive picture yet of how organs age at different rates

News

Health

A little bit of fear can bring down levels of inflammation in the body

News

Health

Bird flu may be adapting to become more infectious to humans

News

Health

How safe is the US food supply?

News