Knowledge doesn’t only reside in books and lectures. As Bertrand Russell observed, there’s also ‘knowledge by acquaintance’

YouTube video by Wyatt Parkins

The National Park Service has recognised 15 buildings and an art work connected with the artist Donald Judd.

The new initiative aims to stabilise fragile media and could serve as a model for other artists

Before the iPhone, the Polaroid camera let people instantly chronicle their lives. Along with instant photo mania, its company culture became the model for Silicon Valley. Mr. Polaroid is the story of...