Last week found the U.S. again in the season when scientists come out of their laboratories, blink, stretch and bustle off to share with the world their newest findings. Some of the more newsworthy disclosures at two noteworthy science meetings:
Chemists. Last week some 3,000 academic and industrial members of the American Chemical Society met in St. Louis.
An unusual scientific group, since roughly three-fourths are engaged in business rather than in universities, it found its tongues partly tied this year because a number of new chemical developments are defense secrets.
> How chemical...