Tuesday, April 05, 2005


Although the class was officially abolished in 1871 (under the Emancipation Act of the Meiji period),

Sunday, April 03, 2005

Argentina, Perón in power

Perón campaigned for the presidency in the elections of 1946. He organized the Labour Party, which was resisted by all the old parties and by the major vested-interest groups. His victory, though narrow, gave him control of both houses of Congress and all the provincial governorships. Perón's political strategy and tactics were authoritarian and personalistic. He politically

Thursday, March 31, 2005

Line Islands

The Line Islands extend 1,600 miles (2,600 km) northwestward from French Polynesia. They have a land area of 193 square miles (500 square km) and are divided into Northern, Central, and Southern groups.

Wednesday, March 30, 2005


In the 11th century the counts of Berg came into possession of Westphalian lands east of Cologne. From 1161 these were divided between the senior branch of Berg and the junior branch of Altena (later Mark), which acquired the countship

Sunday, March 27, 2005

Chaco War

(1932–35), costly conflict between Bolivia and Paraguay. Hostile incidents began as early as 1928 over the Chaco Boreal, a wilderness region of about 100,000 square miles (259,000 square km) north of the Pilcomayo River and west of the Paraguay River that forms part of the Gran Chaco. The conflict stemmed from the outcome of the War of the Pacific (1879–84), in which Chile defeated Bolivia and annexed that nation's

Friday, March 25, 2005

Evolution, Selection against one of the homozygotes

Suppose that one homozygous genotype, say A2A2, has lower fitness than the other two genotypes, A1A1 and A1A2. (This is the situation in many human diseases, such as phenylketonuria [PKU] and sickle-cell anemia. The heterozygotes and the homozygotes for the normal allele have equal fitness, higher than that of the homozygotes for the deleterious allele.) Call the fitness of these

Thursday, March 24, 2005


City, west-central Uttar Pradesh state, north-central India, on the Yamuna (Jumna) River. Founded by Sikandar Lodi in the early 16th century, it was the Mughal capital during some periods of their empire. In the late 18th century the city fell successively to the Jats, the Marathas, the Mughals, and the ruler of Gwalior and, finally, to the British in 1803. It was the capital of Agra (later North-Western)