4 Panel Weeping Willow” (2006), for example, included 50 pens suspended from the branches of a Weeping Willow tree over four panels placed horizontally beneath the tree. The drawing is ...

Grey Tree by Piet Mondrian, 1911. [Image: Kunstmuseum Den Haag] Fundamental research in the biology of branching helps cure cardiovascular diseases and cancer, design materials that can heal ...

It was on two small trees I cut down. A: Your black cherry tree had a case of black knot, a common fungal disease. When a tree is infected, black galls form on the branches and sometimes on the trunk.