Dowbrigade

Scientists have discovered an extinct animal the size of a small squirrel that lived in China at least 125 million years ago and soared among the trees. It is the earliest known example of gliding flight by mammals, and the scientists say it shows that mammals experimented with aerial life about the same time birds […]

In two studies, researchers in Kenya and Uganda enrolled thousands of uncircumcised men to determine if the procedure could reduce HIV transmission among heterosexuals, with some men having their foreskin removed and others remaining intact.
The trial in Kenya, involving nearly 2,800 participants, found that the circumcised men were 53 percent less likely to […]