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.
The average elephant weighs about 3000 kg (6600 lbs).    African Elephants, the largest species of  Elephants, weigh between 12,000-15,000 pounds-males and females  â¦ weigh between 7,900-10,000 pounds.