Stem cells are the body's raw materials â cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells.hese stem cells come from embryos that are three to five days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.
The effect of Industrialisation shown by rising income levels since 1500. The graph shows the gross domestic product (at purchasing power parity) per capita between 1500 and 1950 in 1990 International dollars for selected nations.
  The Industrial Revolution, which began in England, was a period in  the late 18th and early 19th centuries when the life of ordinary  people was changed dramatically forever. It was a time of numerous  inventions, so industry developed so fast that society could barely  keep up.he Industrial Revolution occurred in the last part of the 18th  century. It began in Great Britain.   2. This revolution was an economic one, and it changed the way the  world produced goods.