native american art history

The history of the fax machine begins in 1843 in England with Alexander Bain. He devised an apparatus made up of two pens connected to two pendulums. He joined the two together with a wire, and was able to reproduce writing onto an electrically conductive surface. Some years later, in 18..

O. Henry, is the pseudonym for William Sydney Porter (1862 - 1910), American writer of short stories, best known for his ironic plot twists and surprise endings. Born and raised in Greensboro, North Carolina, O. Henry was fascinated by New York street life, which provided a setting fo..

The term ecology is derived from two Greek words (oikos - means 'house' or place to live and logos means 'a discussion or study'). Literally, ecology is the study of organism 'at home' in their native environment. The term was first introduced by Reiter in 1868, but was fully defined by E..

. Bronze was widely used for many years and this epoch of prehistory became Bronze Age. They indicate a gradual change in the life style of mankind. About 7000 years ago it was discovered that certain minerals would yield metals when placed in the fire. Many of these colored minerals were used as g..

All of the changes, diversifications, and extinctions that happened over the course of life's history are the patterns of overall evolution. Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the large-scale evolutionary histor..

An ecosystem can be defined as 'a structural and functional unit of biosphere or segment of nature consisting of community of living beings and the physical environment, both interacting and exchanging materials between them'. E. P. Odum, an American ecologist, defined ecology as, 'the st..

. They are the true giants of humanity; the others are insignificant. It is said that a famous boxer once refused to tie his seat belt aboard a plane. " Superman doesn't need a belt," he resisted. Tying his belt for him, the airhostess replied: " Superman doesn't need a plane either" . The truly gr..