Medicine: Hot Weather Story

The British journal, Nature, sweating at every pore, last week described a few unusual weather conditions designed to make U.S. swelterers count their blessings. Samples:

¶In the deep mines of South Africa, air temperature sometimes reaches 95° F. with 98% humidity, and air moving at only 20 feet a minute. Under these conditions, workers' temperatures may rise to 101° or 102° because their sweat cannot evaporate and cool them.

¶In the Simoom, the hot, dry Poison Wind of Arabia, whole parties of men sometimes perish together. Nature thinks that perhaps they lose so much water by sweating (up to...

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