Unformatted text preview: of Mercury. See also 1676 ast. B Biology In November Anton van Leeuwenhoek confirms the discovery of sperm by Louis Dominicus Hamm. Unlike Hamm, who thinks sperm are evidence of disease, Leeuwenhoek concludes that sperm are the sources of reproduction, the larvae of humans (since Leeuwenhoek did not know of the mammalian egg, he did not propose fertilization). See also 1673 tool; 1680 bio. _ Chemistry Johann Kunckel [b.Hutten (Germany), 1630, d. Dreissighufen (Germany),March 1703] describes an aqueous solution of ammonia. See also 1695 chem....
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