Democratic Sentinel, Volume 21, Number 16, Rensselaer, Jasper County, 16 April 1897 — A Brain Estimate. [ARTICLE]

A Brain Estimate.

If the entire population of the world Is considered to be 1,400,000,000 the brains of this number of human beings would weigh 1,922,712 tons, or as much as 96 Ironclads of the ordinary si*e.