Biology

Dagg was one of the first Western scientists to systematically study the behavior of any species in its natural habitat.

A neuroscientist explains why errors in learning help forge our memories.

The Swedish botanist devised the system that we still use to categorize life on Earth. He had detractors.

For wolf pups as much as human children, social play develops self-awareness, reciprocity, restraint and a sense of boundaries.

How an unheralded ophthalmologist created a drug with billions in annual sales.