Rachel Fieldhouse

Recipient diagnosed with brain death received a type-O organ, which is compatible with all blood types

Scientists have converted the blood type of a donor kidney and transplanted the organ into a person. The procedure — the first of its kind — could improve access to donor organs, specialists say, because the blood type of the donor would no longer matter. Currently, organs from deceased donors can be transplanted into people only if they have a compatible blood type.

October 15, 2025 min read Men's Brains Shrink Faster than Women's. What That Means for Alzheimer's

School closures and hospitalizations from an unexpected early spike in flu cases in Japan has experts concerned about what lies ahead for other countries

October 17, 2025 min read Flu Cases Surge Early in Japan, Sparking Global Health Concerns

Japan’s health authorities have declared an influenza epidemic, with thousands of people infected with the respiratory virus. The number of infections is unusual for this time of year, researchers say, and could seed outbreaks in countries that are heading into winter in Asia and Europe — although it is unlikely to become a global pandemic. As of 10 October, 6,013 cases of influenza virus have been reported in Japan.

Experiments suggests H9N2 has adapted to human cells but cases of person-to-person transmission haven't been reported yet.

In a successful transplant in a man with brain death, scientists prevented the immune system from attacking a genetically modified pig kidney for 61 days, the longest such an experiment has lasted

Rachel Fieldhouse, Nature magazine An identical twin commits a crime and leaves their DNA at the scene. Can DNA testing reveal which twin is the culprit?

The transplanted pig organs functioned for 36 hours before showing signs of rejection