Scientists temporarily attached a pig’s kidney to a human body and watched it begin to work, a small step in the decades-long quest to one day use animal organs for lifesaving transplants. Pigs have been the most recent research focus to address the organ shortage, but among the hurdles: A sugar in pig cells, foreign to the human body, causes immediate organ rejection. The kidney for this experiment came from a gene-edited animal, engineered to eliminate that sugar and avoid an immune system attack. Surgeons attached the pig kidney to …

A French woman of African origin is leading a campaign to encourage more members of France’s African diaspora to register as bone marrow donors to potentially save lives. Elhame Lecoeur filed this report for VOA from Paris, narrated by Michael Lipin. Camera: Elhame Lecoeur Produced by: Marcus Harton …

A French woman of African origin is leading a campaign to encourage more members of France’s African diaspora to register as bone marrow donors to potentially save lives. Elhame Lecoeur filed this report for VOA from Paris, narrated by Michael Lipin. …

New York City Mayor Bill de Blasio announced a vaccine mandate for city workers Wednesday. The order calls for employees, including police officers and firefighters, to have received at least one dose of a COVID-19 vaccine by October 29 or else they will be placed on unpaid leave. The mayor’s office said the mandate applies to about 160,500 workers, and that 71% of them have already received one COVID-19 vaccine dose. “There is no greater privilege than serving the people of New York City, and that privilege comes with a …