Saturday, October 15, 2005


Genus of lichens that includes those species commonly known as cup lichen, reindeer moss, and British soldiers (qq.v.).

Thursday, July 28, 2005


The giant anteater (Myrmecophaga tridactyla), sometimes called the ant bear, is the largest member of the anteater family and is best known from the tropical grasslands (Llanos) of Venezuela, where it is still common. It was once found in the lowland forests of Central America and still occurs in the Amazon Basin southward to the grasslands of Paraguay and Argentina.

Tuesday, July 26, 2005

Earth, Faulting


Sunday, July 24, 2005

Aghlabid Dynasty

Also called  Banu al-Aghlab  Arab Muslim dynasty that ruled Ifriqiyah (Tunisia and eastern Algeria) from AD 800 to 909. The Aghlabids were nominally subject to the 'Abbasid caliphs of Baghdad but were in fact independent. Their capital city was Kairouan (al-Qayrawan), in Tunisia. The most interesting of the 11 Aghlabid emirs were the energetic and cultured Ibrahim ibn al-Aghlab (reigned 800–812), founder of al-Abbasiyya (2 miles

Thursday, July 07, 2005

Rocky Mountains, Water resources

The Rocky Mountains in Canada and the United States are a region of water surplus, where precipitation exceeds losses from evaporation, runoff, and transpiration. The lands on either side of the mountain front, however, experience a water deficit. The people living in these areas have looked to water-storage projects in the Rockies for irrigation, domestic and industrial

Tuesday, July 05, 2005

Canadian Literature

The body of written works produced by Canadians. Reflecting the country's dual origin and linguistic distribution, the literature of Canada falls into two divisions: English and French. This article provides a brief historical account of each of these literatures.

Friday, June 17, 2005

Earth, The nature of gravity

It is a familiar phenomenon that an object released above the Earth's surface accelerates toward the Earth. This phenomenon is a special case of universal gravitation—all mass within the universe attracts all other mass. The acceleration in this special case is known as the acceleration due to gravity, denoted g. Reference has already been made above to the fact that