Genetics

The sex of your cells matters when it comes to heart disease

Most mammals, including humans, have two sex chromosomes, X and Y. One sex chromosome is usually inherited from each parent, and they pair up as either XX or XY in every cell of the body. People with XX chromosomes typically ...

Medical research

The scientific race to understand the omicron variant

Late last year, preliminary studies revealed that the fast-spreading omicron SARS-CoV-2 variant was likely to evade COVID-19 antibodies but, in many people, less so than expected. Now one of those studies from Karolinska ...

Oncology & Cancer

To slow cancer, close the cells' tunnels

Cancers are generally harder to treat when they spread rapidly, but clarifying the molecular basis of such aggressive malignancies might in the future lead to new drugs for treating these tumors. Researchers at the Weizmann ...

Diseases, Conditions, Syndromes

S. Korea expands rapid testing amid record COVID infections

South Korea on Thursday began enforcing a new coronavirus testing policy centered on rapid testing as health officials reported a record number of new infections following the Lunar New Year holiday.

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