What do gardens, libraries and exploring have in common?

Fantastic tree in the botanical garden. Orto Botanico, Palermo, Sicily. © Laurel Decher, 2016. Planting a tree in Palermo a few hundred years ago means a gigantic tree is still living today. A botanical garden is a living library and so is a zoo, an art museum, or a national park. These storehouses of genetic […]