Science: Scientific Cupid

In Hartford, Conn, lives a man who has proved that the mating cycles of many birds and animals can be controlled by artificially altering the length of their days & nights (TIME, June 28, 1943). His name is Dr. Thomas Hume Bissonnette, and he is Trinity College's photoperiodist. Last week Dr. Bissonnette quoted Tennyson:

In the spring a fuller crimson comes upon the robin's breast;

In the spring the wanton lapwing gets himself another crest;

In the spring a livelier iris changes on the burnish'd dove . . .

Correct, said Dr. Bissonnette, photo-periodically correct.

In countries...

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