CAMBRIDGE, England â British scientist Stephen Hawking has decoded some of the most puzzling mysteries of the universe but he has left one mystery unsolved: How he has managed to survive so long with such a crippling disease.
Brownian movement. n. 1. (General Physics) random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid. First observed in 1827, it provided strong evidence in support of the kinetic theory of molecules.
John Brown (May 9, 1800 â December 2, 1859) was a white American abolitionist who believed armed insurrection was the only way to overthrow the institution of slavery in the United States. During the 1856 conflict in Kansas, Brown commanded forces at the Battle of Black Jack and the Battle of Osawatomie.he song  John Brown's Body  made him a martyr and was a popular Union marching song during the Civil War. Brown's actions prior to the Civil War as an abolitionist, and the tactics he chose, still make him a controversial figure today.