Faced with a potential hostile takeover, companies may deploy a dramatic shareholder rights plan, colloquially known as a "poison pill."

Some animals, when faced with predators, play dead instead of trying to escape. But for death-feigning to work, a lot of things have to go well.

For decades, bars excluded single women, claiming the crowds were too “rough” and “boisterous” and citing vague fears of “fallen girls.”

Berthe Morisot never became as famous as her counterparts Claude Monet and Édouard Manet, but her work has an important place in art history.

When government wouldn't fund female fieldwork, Agnes Chase pulled together her own resources.

It's uniquely annoying to listen to one side of someone else's cellphone call. Our technology columnist examines why that is.

Well-researched stories from NPR, The Cut, and other great publications that bridge the gap between news and scholarship.

Gynandromorphy is an extremely rare condition in which an animal is half male and half female. It's most visible in birds and butterflies.

This 1823 policy initially focused on preventing European colonization in the Americas. But different U.S. presidents have used it to mean different things.

Young children have a unique sense of the world that can be difficult for grown-up architects to grasp.