Before They Were Stars Before They Were Stars Before They Were Stars was a 30-minute American television show which aired on ABC in 1996 and was hosted by Scott Baio, with John Cramer as announcer and narrator. The program originated as a series of specials which aired during 1994 and 1995; Joey Lawrence hosted the first two installments, with Karen Duffy taking the reins for the next two, and eventual series host Baio doing so for the fifth and final edition. All of the specials were an hour long, except the third, which was a half-hour. The term "Before They Were Stars" has since
All-or-none law All-or-none law The all-or-none law is the principle that the strength by which a nerve or muscle fibre responds to a stimulus is independent of the strength of the stimulus. If that stimulus exceeds the threshold potential, the nerve or muscle fibre will give a complete response; otherwise, there is no response. It was first established by the American physiologist Henry Pickering Bowditch in 1871 for the contraction of heart muscle. According to him, describing the relation of response to stimulus,““An induction shock produces a contraction or fails to do so according to its strength; if it does so at