'[He] attempted to study fertilization in frogs by fitting the males with tiny trousers': The science of sperm in the 1700s

In the extract below taken from Beautiful Experiments: An Illustrated History of Experimental Science (The University of Chicago Press, 2023), Philip Ball dives into the 17th and 18th century experiments that sought to figure out the answer to a fundamental question: What induces eggs to develop?

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