Who led NATO in 1949?

Who led NATO in 1949? President Truman Later in 1949, President Truman proposed a military assistance program, and the Mutual Defense Assistance Program passed the U.S. Congress in October, appropriating some $1.4 billion dollars for the purpose of building Western European defenses. What group gained control of China in 1949? Read more…

What is a Haversian bone?

What is a Haversian bone? Haversian canals are microscopic tubes or tunnels in cortical bone that house nerve fibers and a few capillaries. This allows bone to get oxygen and nutrition without being highly vascular. Haversian canals are formed by lamellae, or concentric layers of bone, and are contained inside Read more…