Science
Scientific research lacked because of few funds. However, Pluto was discovered in 1930. Atom smashing was being conducted at institutions such as Columbia University. Albert Einstein wrote a letter to President Roosevelt recommending the development of the atomic bomb. Research led to better refrigeration of foods.
Medicine
The first blood bank in 1937 made surgical procedures more feasible. Developments in X-rays made identifying sicknesses such as tuberculosis easier.