Sunday, April 03, 2005


Genus of blue-green algae found commonly in a variety of freshwater environments, including hot springs. This unbranched filamentous alga, occurring singly or in tangled mats, derives its name from its rhythmic oscillating motion, which is thought to result from a secretion of mucilage that pushes the filament away from the direction of excretion. Reproduction

Thursday, March 31, 2005


Either of two papyrus boats with which the Norwegian scientist-explorer Thor Heyerdahl crossed the Atlantic in 1969–70 to demonstrate the possibility of cultural contact between early peoples of Africa and Central and South America. The first was built in Egypt by boatbuilders Heyerdahl hired from Lake Chad, where reed boats are commonplace. Manned by seven men chosen

Tuesday, March 29, 2005

Arizona, Cultural life

Although traditionally a centre for Indian folk arts and crafts, Arizona has had no circles of painters and writers comparable to those of neighbouring New Mexico. Interest in painting, crafts, drama, music, and publishing, however, has increased with population growth. Architecture and the graphic arts have been particularly influenced by Southwestern regional

Monday, March 28, 2005

Performing Arts, Australia.

Several directors looked critically at the recent history of Aboriginal Australians. Philip Noyce's Rabbit-Proof Fence recalled the true story of three young girls who fled from incarceration under the official policy of the first three-quarters of the 20th century of seizing quarter- and half-caste children from their Aboriginal families so they could be “civilized

Saturday, March 26, 2005

Processionary Caterpillar

Larval stage characteristic of the small insect family Thaumetopoeidae (order Lepidoptera), sometimes classified as part of the prominent moth family (Notodontidae). These hairy caterpillars live in communal webs and march in columns to their food source. During the movement each larva lays down a silken thread. The large adults have

Wednesday, March 23, 2005

China, Taxation

The Ming laissez-faire policy in agrarian matters had its counterpart in fiscal administration. The Ming state took the collection of land taxes—its main revenues by far—out of the hands of civil service officials and entrusted this responsibility directly to well-to-do family heads in the countryside. Each designated tax captain was, on the average, responsible

Tuesday, March 22, 2005

Jubba River

Fed by rainfall in its source area, where the main rainy season coincides with the dry season