Surgery

Surgeons transplant 3D ear made of living cells

A US medical team said Thursday they had reconstructed a human ear using the patient's own tissue to create a 3D bioimplant, a pioneering procedure they hope can be used to treat people with a rare birth defect.

Psychology & Psychiatry

Cooking with 'dirty' fuels affects women's mental health

About 2.6 billion people—nearly half of the global population, most of them in Africa, Asia and central and south America—rely on biomass fuels, like wood and charcoal, or kerosene to cook meals, heat and light their ...

Genetics

New genome sequencing sheds light on diversity in Africa

Analysis of the genomes of hundreds of people from across Africa has shed light on ancient migrations and modern susceptibility and resistance to disease, revealing unexpected genetic diversity.

HIV & AIDS

How HIV became the virus we can treat

As the numbers of COVID-19 infections climb, it's easy to forget that there are still more than 1.2 million people in the U.S. living with another virus—human immunodeficiency virus, or HIV. When it first swept across the ...

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