Not all plants can be stored in a seed bank. Cryopreservation offers an alternative, but critics question whether this form of conservation will work.

At the Museum of Modern Art, a watercolor herbarium from 1919 and 1920 flaunts the literal side, and even the preachiness, of ...

The Arnolds enjoyed landscape design. They collected and planted a variety of trees, shrubs, and flowers — roses in ...