Kankakee Valley Post, Volume 2, Number 44, DeMotte, Jasper County, 16 March 1933 — POTPOURRI [ARTICLE]

POTPOURRI

Heaviest Substance Known The heaviest substance known is the metal iridium. It is almost twenty-three times heavier than water. The ores are found along the Pacific coast In both Canada and the United States, and in the Ural mountains. Iridium is a whitish metal found with platinum. It can be alloyed with platinum, gold and copper. ©, 1933, Western Newspaper Union.