This is a personal essay starting from the early study on fertilization signals in echinoderm and mammalian oocytes. It presents actual examples showing that a unexpected discovery leads to unimaginable… Click to show full abstract
This is a personal essay starting from the early study on fertilization signals in echinoderm and mammalian oocytes. It presents actual examples showing that a unexpected discovery leads to unimaginable development of the research in diverse directions in later years and yields a common concept after long years' effort and accumulation. Those outcomes are the happiest gift for researchers. We also learn many precepts in our own research life.
               
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