I caught only the second half. Turned it on in time to hear, "We now know that stegosaurs have as many as eight spikes." Or did he say, "...Stegosaurus has as many as eight spikes"? Anyway, this gave me pause, because I thought for sure four was the limit. Or is it four for Stegosaurus and more for some other genus? Somebody help me out. -- DONNA BRAGINETZ