Fifteen years ago, immunologist Dusan Bogunovic stumbled across a handful of patients whose bodies played by different rules. They carried a rare genetic mutation that disabled an immune regulator ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Steven Wilhelm, University of Tennessee and Joshua Weitz, University of Maryland (THE ...

Using genomics, evolutionary biologists test several hypotheses on the origin of viruses. New evidence suggests they may have emerged more times than previously thought. Corroborating the virus-first ...