His containment strategy helped wipe out the disease in the 1970s, one of the world’s greatest public health triumphs. He ...

A fragile ceasefire between Syria's government and Kurdish-led forces has temporarily eased tensions in the country's northeast.

Many RNA-binding proteins have a modular structure and are composed of multiple repeats of a few small domains. By arranging the domains in various ways, these proteins can satisfy the diverse ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...