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Noda, Yoshihiko

(Encyclopedia)Noda, Yoshihiko, 1957–, Japanese political leader, prime minister of Japan, (2011–12), b. Funabashi, studied Waseda Univ. (grad. 1980) and Matsushita Institute of Government and Management. Noda b...

Noether, Emmy

(Encyclopedia)Noether, Emmy (Amalie Emmy Noether) ämälˈyə ĕmˈē nöˈtər [key], 1882–1935, German mathematician, b. Erlangen, Germany, grad. Univ. of Erlangen (Ph.D. 1908). She made important contributions...

Auvergne

(Encyclopedia)Auvergne ōvĕrˈnyə [key], former province and former administrative region, S central France. The area is now occupied chiefly by the departments of Puy-de-Dôme, Allier, Haute-Loire, and Cantal. T...

Noguchi, Hideyo

(Encyclopedia)Noguchi, Hideyo hēdāˈyō nōgo͞oˈchē [key], 1876–1928, Japanese bacteriologist, grad. Tokyo Medical College, 1897. He came to the United States c.1900 to work with Simon Flexner at the Univ. o...

noise

(Encyclopedia)noise, any signal that does not convey useful information. Electrical noise consists of electrical currents or voltages that interfere with the operation of electronic systems. Electrical noise limits...

Noll, Chuck

(Encyclopedia)Noll, Chuck (Charles Henry Noll), 1932–2014, American professional football coach, b. Cleveland, B.S. Univ. of Dayton, 1953. A guard and linebacker in college and with the Cleveland Browns (1953–5...

auxin

(Encyclopedia)auxin ôkˈsĭn [key], plant hormone that regulates the amount, type, and direction of plant growth. Auxins include both naturally occurring substances and related synthetic compounds that have simila...

nonlinear dynamics

(Encyclopedia)nonlinear dynamics, study of systems governed by equations in which a small change in one variable can induce a large systematic change; the discipline is more popularly known as chaos (see chaos theo...

Nootka Sound

(Encyclopedia)Nootka Sound, inlet of the Pacific Ocean and natural harbor on the west coast of Vancouver Island, SW British Columbia, Canada, lying between the mainland and Nootka Island (206 sq mi/534 sq km). The ...

Nordenskjöld, Nils Adolf Erik, Baron

(Encyclopedia)Nordenskjöld, Nils Adolf Erik, Baron nĭls äˈdôlf āˈrĭk no͞orˈdənshöld [key], 1832–1901, Swedish geologist and arctic explorer, first to navigate the Northeast Passage, b. Finland. He ser...