Stem Cell. By definition, all stem cells: have the ability to divide and create an identical copy of themselves, a process called self-renewal; and. can also divide to form cells that mature into cells that make up every type of tissue and organ in the body.
Spandex is a synthetic fiber invented in 1959 at DuPont's Benger Laboratory in Waynesboro, Virginia. The word âspandexâ is an anagram of the word âexpandsâ. Spandex has become quite well known as a wonder fibre that has literally transformed the textile industry, for one.
Sir George Cayley (1773-1857) is widely acknowledged as the founder of modern aeronautics. He was first called the father of the aeroplane in 1846 and Henson called him the father of aerial navigation..