Edit. After Black September's assassination of Israeli athletes at the Munich Olympics in 1972, Prime Minister Golda Meir okays a black-box operation to hunt down and kill all involved.
Yellow pollen is produced by evergreen trees, primarily pine trees, including spruce, true cedar trees, fir trees, larch and hemlock. Although yellow pollen looks like it could cause an allergic reaction, in reality it does not trigger allergy symptoms at all. It can stain the skin and clothing, however.
Crown Rot. Crown rot is often the cause of splitting and oozing near the base of an oak's trunk. Caused by one of several types of fungus, crown rot causes the tree's leaves to turn yellow and wilt, and the small branches to die back. It also causes lesions on exposed areas of large roots and the trunk base.