Causes and effects of desertification: Desertification is defined as a process of land degradation in arid, semi-arid and sub-humid areas due to various factors including climatic variations and human activities. Or, to put it in another way, desertification results in persistent degradation of dryland and fragile ecosystems due to man
Elizabeth Blackwell (3 February 1821 â 31 May 1910) was a British-born physician, notable as the first woman to receive a medical degree in the United States, as well as the first woman on the UK Medical Register.
1910 Elizabeth Blackwell: 1st woman physician, dies at 89; 1916 Horace Hood: British spy (Battle of Jutland), dies in battle; 1928 Ludwig Enneccerus: German leader, dies at 85; 1928 Manuel de Oliveira Lima: Brazilian historian, dies at 60; 1947 Adrienne Ames: Actress (Black Sheep, 24 Hours), dies at 39; 1948 Jose Vianna da Motta: Composer, dies at 80