Here, the production designer and set decorator explain how they brought this house of spies to life.

Putnam described the symptoms of walnut bunch as "witch's brooming," where dense clusters of short branches appear within a small area, in the shape of mistletoe. Whatever is killing the trees, people ...

This week, we meet Black walnut or Juglans nigra. Also known as American black walnut or eastern black walnut, this species has compound leaves with several pairs of leaflets along the individual leaf ...