Evening Republican, Volume 21, Number 77, Rensselaer, Jasper County, 9 April 1918 — POPULAR SCIENCE [ARTICLE]

POPULAR SCIENCE

The Germans have succeeded In making a substitute for gun cotton. During the past few years there has been a falling i>ff in the yield Iftf the banana, due partly to a 'disease whose origift and" elimination are yet unsolved problems.