Aucbarpa.589 net.jokes utzoo!decvax!ucbvax!ARPAVAX:arnold Fri Jan 1 13:59:01 1982 Re: Chem joke Well, here goes another.... C C \ / C=C / \ Ter Ter Give up? (You'll wish you had...) Ah-hem: "Cis-ter" Again, no credit claimed.