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.
Lycra, a brand name of Spandex, is a man-made fiber that can stretch better than rubber and will not break down after exposure to body oils, lotions, detergent, or perspiratio â¦ n. After ten years of research, DuPont Chemical Company's scientist Joseph C. Shivers invented it in 1959.
At this point, the only serious challenge to the hegemony of long johns had come from the boxer short, a cotton version of the trunks worn by boxers, and first designed in 1925 by a Joseph Golomb, founder of the Everlast company that still makes boxing equipment.