Medicine: Helpful Fish

A small Chinese carp last week succeeded a small Japanese carp, the bitterling, which obstetricians once used as a test for pregnancy (TIME, Oct. 12, 1935), as Medicine's favored fish. Called telescope fish— because it has big. pop eyes, one out of five is so transparent that its gall bladder, intestine, heart and a big vein in the tail are easily seen. Although telescope fish cost only 3¢ apiece in Philadelphia, only place in the U. S. where they are bred, the visibility of their internal organs makes them precious to medical scientists,...

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