While bright orange or red tree markings might mean a tree is destined for removal, white paint on trees means something ...

Scientists made fake leaves and dropped them in water tanks to observe how different shapes move as they sink.

Two physicists from the Technical University of Denmark have found that leaf shape is a determining factor in the distance ...

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.