Twenty years ago, scientists said that cloning was completely impossible. But now, the science of cloning has come to realization. Imagine meeting an exact replica of somebody. They look alike, think alike, and even have the same genetic makeup. No, this isn't an episode of Star Trek, this is reality. This is the new world of cloning, and thanks to a 7-month-old sheep named Dolly, a new science has been born. As with every new science, there are those who believe in it, and those who oppose it. The new technology of cloning should be utilized because it could bring back extinct organisms, help infertile couples to have children, and potentially save many lives. Cloning could bring back extinct animals. Over millions of years, thousands of different species have gone extinct. Most were due to "natural selection", while several others were due to human intervention. According to the Encarta Encyclopedia, 1997, "nearly two-thirds of all the native bird species and one-tenth of the native plants orig