The biological basis of gene therapy. Gene therapy has grown out of the science of genetics or how heredity works. Scientists know that life begins in a cell, the basic building block of all multicellular organisms. Humans, for instance, are made up of trillions of cells, each performing a specific function.
Satao (elephant) Satao (c. 1968 â 30 May 2014) was one of Kenya's largest African elephants. He was known as a tusker because his tusks were so long that they almost touched the ground. The Tsavo Trust announced that Satao was killed by poachers using a poisoned arrow on 30 May 2014.
Together with the white rhino the Indian rhino is the largest and can weigh well over 6000 pounds. It has one horn. White Rhinoceros - The white rhino hails from Africa. Like the black rhino the white rhino isn't really white, but gray. The white rhino is huge and, after the elephant, is one of the largest land mammals on the planet. It has 2 horns.