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.
It was a bull elephant shot dead in Angola, in 1974. Asian elephants are huge, but are generally smaller than the African savanna species. Asian elephants grow up to 21 feet long, stand up to ten feet tall, and weigh up to 11,000 pounds. Females reach about eight and a half feet tall and weigh less than males. The heaviest recorded modern day elephant was an African elephant which weighed 12 tons. It was a bull elephant shot dead in Angola, in 1974. Asian elephants are huge, but are generally smaller than the African savanna species. Asian elephants grow up to 21 feet long, stand up to ten feet tall, and weigh up to 11,000 pounds.