Most axons of vertebrates are enclosed in a myelin sheath, which increases the speed of impulse transmission; some large axons may transmit impulses at speeds up to 90 metres (300 feet) per second.
Lynda Carter Wonder Woman's STILL SUPER HOT. 61-year-old Lynda Carter -- famous for playing Wonder Woman on the '70s show -- must really have super powers ... because she's still scorchin' hot.
Lynda Carter (born Linda Jean CÃ³rdova Carter; July 24, 1951) is an American actress, singer, songwriter, model, and beauty pageant titleholder, who was crowned Miss World America 1972.