Fecal microbe transplants from healthy donors can treat patients with recurrent Clostridium difficile infections. However, after tens of thousands transplants, little was known about which donor ...

I ATTENDED a lecture on our prehistoric past and Spanish colonization by Grace Barretto-Tesoro of the University of the Philippines School of Archaeology, sponsored by the Museo Ng Kaalamang Katutubo.

Five centuries after Charles I of Spain authorized the transport of the first African slaves to the Viceroyalty of New Spain, the ancestry of the hundreds of thousands of abducted and enslaved people ...

Researchers at La Trobe University, Australia, and the University of Utah, U.S., report that recent DNA findings challenge claims of a 65,000-year-old human arrival in Sahul—the ancient paleocontinent ...