Columbia Encyclopedia

(Encyclopedia) psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...

(Encyclopedia) Napoleon III (Louis Napoleon Bonaparte), 1808–73, emperor of the French (1852–70), son of Louis Bonaparte (see under Bonaparte, family), king of Holland. Napoleon III was a complex figure. H...

(Encyclopedia) Marxism, economic and political philosophy named for Karl Marx. It is also known as scientific (as opposed to utopian) socialism. Marxism has had a profound impact on contemporary culture; modern comm...

(Encyclopedia) Bonaparte bwōnäpärˈtā [key], family name of Napoleon I, emperor of the French. Of the second generation of the family the most important was Louis Bonaparte's son, Louis Napoleon, who became e...

(Encyclopedia)  CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...

(Encyclopedia) Nobel Prizes

(Encyclopedia) children's literature, writing whose primary audience is children. See also children's book illustration. The contributions and innovations of the 19th cent. continued into the 20th cent., achieving...