Selection model helps explain why most human pregnancies are singletons

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature ...

New Gene Therapy Enables Children With a Rare Form of Deafness to Hear

The treatment, the first of its kind, was approved by the Food and Drug Administration on Thursday. “Our baby was born deaf, ...

E. coli editing technique expands into a universal toolkit for rewriting bacterial DNA

The ability to precisely edit the genomes of bacteria has long been a goal of microbiologists. Such technology would enable ...
University of California

Rewriting the story of estrogen

“Estrogen is basically turning up the sensor for acetate,” Ingraham explains. “It’s a compound gut bacteria produce when they ...

Hormonal chain reaction may shed light on the causes of reproductive disorders

Researchers at the University of Ottawa and the Institute of Hydrobiology of the Chinese Academy of Sciences have discovered a new role for reproductive hormone secretoneurin (SN) and, for the first ...