Lignum vitae wood can also be used to brew a tea. Other names for lignum vitae include palo santo (Spanish for "holy wood") Aura palo santo and "bastard greenheart" (not to be confused with true greenheart "Chlorocardium rodiei", a popular wood in shipbuilding, cabinetry, and woodturning but a completely different timber). Lignum vitae is also one of the numerous hard, dense woods loosely referred to as "ironwood". Lignum vitae is hard and durable, and is also the densest wood traded (density: 1.23 g/cm); it will easily sink in water. On the Janka Scale of Hardness, which measures hardness of woods, lignum vitae
Les Janka in international affairs and the formulation of U.S. foreign and defense policy. A graduate of the University of Redlands, Janka received a master's degree in International Relations and Middle East Studies from the School of Advanced International Studies at Johns Hopkins University. Janka worked for the United States Information Agency from 1964 to 1968 and was Assistant Dean of the School of Advanced International Studies of Johns Hopkins University from 1968 to 1971, when he was appointed Special Assistant to Henry Kissinger on the National Security Council at the White House. Janka became Senior National Security Council Staff Member for