An anti-inflationary note was introduced into cancer research last week. Dr. David A. Karnofsky reported that for preliminary testing of anti-cancer drugs he uses the fertilized egg of the sand dollar—a lowly echinoderm, kin of the starfish, and a delight to beachcombing children.
The eggs, fertilized in a finger bowl with five drops of sand-dollar sperm, were put into the individual compartments of a plastic ice-cube tray (300 eggs to a "cube"), and kept in sea water. As they grew, Dr. Karnofsky added various concentrations of drugs known to be useful in treating cancer and noted the kind and degree of their...
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