Number 22 (Story #3), February 21, 1991 by Phillip F. Schewe and Ben Stein THE DEUTERIUM-TO-HYDROGEN RATIO IS 120 TIMES HIGHER ON VENUS than on Earth. This finding by a group of astronomers from Paris, Caltech, Hawaii, and the Lowell Observatory (Barry L. Lutz, 602-774-3358) has implications for models of Venus' atmosphere. (Science 1 Feb. 1991.)