Science: Cosmic Ray Immunity?

Everyone on earth is being constantly bombarded by cosmic rays from outer space—but only after the earth's atmosphere has smashed the rays' atomic particles until they are harmless. Scientists have long feared that if men penetrated the upper atmosphere, cosmic rays might harm them, perhaps causing eye cataracts or destroying nerve cells.

Amid intensified talk of sending satellites and even man-bearing rockets into outer space, scientists got reason to hope last week that the danger of cosmic radiation has been overestimated. Living animals sent aloft in balloons last year from Sault Sainte Marie, Mich, have shown no adverse physical or mental effects...

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