50 years ago, scientists took baby steps toward selecting sex
Excerpt from the August 3, 1968 issue of Science News
![in vitro fertilization](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/07/070918_BO_50YA_IVF_free.jpg?fit=860%2C460&ssl=1)
UNDER THE MICROSCOPE The modern science of in vitro fertilization began 50 years ago, with an experiment in rabbits that selected for their sex.
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