Wild ducks suffer from bad marksmen as well as from good ones. Shot that falls into the water sinks to the bottom where ducks mistake it for roughage such as gravel or sand. They eat it, die a month or so later of paralysis caused by lead poisoning.
Because they believe that one-third as many ducks die from being poisoned as from being shot by bullets, Professors Robert Gladding Green and Ralph Dowdell of the University of Minnesota set out to save ducks by devising a healthy bullet. Last week they had perfected one....
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