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.
Lyda A. Newman was an American inventor. She invented a hairbrush that was able to be taken apart in order to be easily cleaned. She was granted her patent on November 15, 1898. It was patent U.S. Patent 614,335. She preceded Madame Walker and Marjorie Joyner in African-American women's contributions to hair care. Newman lived and worked in Manhattan in New York City.