bacteriological material
41Maize — This article is about the cereal grain, primarily known as corn in the United States. For other uses, see Maize (disambiguation). Corn redirects here. For other uses, see Corn (disambiguation). Maize Illustration depicting both male and female… …
42Foreign relations of the People's Republic of China — Diplomatic relations between world states and People s Republic of China   People s Republic of China …
43Douglas MacArthur — General MacArthur redirects here. For other uses, see General MacArthur (disambiguation). For the diplomat, see Douglas MacArthur II. Douglas MacArthur …
44Manchukuo — Manchu State (1932–1934) (Great) Empire of Manchuria (1934–1945) 滿洲國 / 满洲国(Chinese) Mǎnzhōuguó 満洲国 (Japanese) Manshū koku (1932–1934) (大)滿洲帝國 / …
45Empire of Japan — This article is about the former absolute constitutional monarchy. For the current limited constitutional monarchy, see Japan. Greater Japanese Empire 大日本帝國 Dai Nippo …
46Agar plate — Infobox Laboratory equipment name = Agar plate caption = An agar plate streaked with microorganisms isolated from a deep water sponge. Individual colonies may be seen center right. acronym = other names = uses = Culturing inventor = manufacturer …
47Operation Condor — For other uses, see Operation Condor (disambiguation). Operation Condor …
48International Code of Botanical Nomenclature — The International Code of Botanical Nomenclature ( ICBN ) is the set of rules and recommendations dealing with the formal botanical names that are given to plants. Its intent is that each taxonomic group ( taxon , plural taxa ) of plants has only …
49Félix d'Herelle — Born April 25, 1873 Montreal …
50United States and weapons of mass destruction — The federal government of the United States is known to have possessed three types of weapons of mass destruction: nuclear weapons, chemical weapons and biological weapons. The U.S. is the only country to have used nuclear weapons in combat. The… …
