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Brain Feed

“I expose to men the origin of their first, and perhaps second, reason for existing.” Leonardo da Vinci wrote these words above his drawing “The Copulation” in about 1493. [His] sketch shows a transparent view of the anatomy of sexual intercourse as envisaged by the anatomists of his time. The semen was supposed to come down from the brain through a channel which can be seen in the spine of the man.

Da Vinci - The Copulation

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