Solving the riddle of life’s inception

HIGHLIGHTS

• who: Francesca Barbero from the but insights and clever experiments by underappreciated scientists such as the Catholic priest Lazzaro Spallanzani are the focusSpallanzani used an unconventional approach: He made miniature pants for male frogs in order to contain their semen. His experiment demonstrated that fertilization could not occur without contact between semen and eggs. About a century later, Hertwig, using his microscope to watch as two nuclei combined into one, became the first man in history to observe the fusion of a sperm and an ovum. Dolnick's writing style is breezy and direct, and his account . . .
  

   

  

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