Trout mood and air pressure drive feeding behavior study
Naturalist Dr. William J. Long attributes trout rising and feeding patterns to changes in air pressure affecting the fish’s air bladder. He notes that a decrease in pressure causes expansion of the bladder and triggers hunger after a period of calm weather. The article also mixes in local church notices and community events.
MENTIONED IN THIS ARTICLE
William J. Long
Those Reptile Migrants Turtles
These reptiles are described as the sole known reptile migrants. They migrate to shore at fixed periods to deposit their eggs.
Heat Resisting Steels With Nickel Used in High Temp Units
Nickel containing heat resisting steels find use in industrial furnaces gas turbines and related high temperature applications providing strength and long service life at elevated temperatures.
Motor vehicle registration fees rise nationwide in 1947
Iowa motor vehicle owners paid 14.7 million in registration fees in 1947, up from 12.6 million the year before, per R E Rhoades of the Motor Club of Tea. The AAA reports U S states collected 16.8 percent more revenue in 1947, with total state collections about 16 261 000.
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Iowa
R. E. Rhoades
Motor Club of Tea
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