Evening Republican, Volume 22, Number 171, Rensselaer, Jasper County, 22 July 1919 — POPULAR SCIENCE [ARTICLE]

POPULAR SCIENCE

The normal number of teeth is 32. The number of bones in the body is 240. Tbe weight of your blood is 28 pounds. A skeleton weighs about 14 pounds. The human brain is twice as large as that of any animal. Tobacco leaves treated with X-ray are thereby cleared of -the destructive beetle.