Science: Chemists in Convention

What U.S. chemists mainly talked about, at their annual convention in Pittsburgh last week, was food, oil and rubber. But the chemists also got around to some sex talk about roosters.

Roosters. A new way to produce fatter, tastier cockerels, to make even tough old roosters succulent, had been discovered by Biochemist Frederick W. Lorenz of the University of California. His method: the injection of a synthetic sex hormone. Lorenz had begun by wondering why a hen grows fat when it starts laying eggs. He proved it was because the female sex hormone, estrogen,...

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