Understanding cultures as loose or tight clarifies why some countries better responded to COVID-19 than others.

After a nose swab tests positive for a virus or bacteria, scientists can use the sample’s genetic sequence to figure out where and when the pathogen emerged and how fast it’s changing.

Barcodes containing verifiable information could make our lives easier and provide safe access to buildings or online services. But a global effort will be necessary to make them completely secure.

It’s too early to say whether the newly identified omicron variant is going to overtake delta. But particular mutations in the new strain have researchers deeply concerned.

It’s too early to say whether the newly identified omicron variant is going to overtake delta. But particular mutations in the new strain have researchers deeply concerned.

We analysed mobility data provided by almost one million people in England between January 2020 and May 2021, seeking to understand trends in residential visits during the pandemic.

Supermarket employees, still laboring in crisis mode, continue to report significant rises in physical and mental health problems.

The combined evidence in a new paper is like a "flashing red arrow pointing to the Huanan market as by far the most likely site of origin" for COVID-19.

For many, the pandemic has disrupted daily habits around eating and fitness – which makes it a prime time to shake up old assumptions about achieving an ideal body.