Last week in England, as for several weeks past, the U.S. Army's Major Robert Hardin carried out what he calls a "dry run" of blood-giving. Soldiers with type-o blood (the universal type which can be given to anybody) gave four-fifths pint each to his blood banks in this case, refrigerator trucks.
Patriotic donors at home could rest assured that blood plasma, which is blood with the red corpuscles removed, is often a lifesaver. But a really bad hemorrhage produces a dangerous reduction in red corpuscles, which carry oxygen to the tis sues. Though a man can get along on less than...
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