The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...
After repeated, recent statements by U.S. President Joe Biden that he does not believe human life begins at the moment of conception, or characterizing such a belief as a matter of faith, scientists ...
Elizabeth Dias is the national religion correspondent for The New York Times, and often writes about faith and politics. For this story, she spoke with scientists, philosophers and spiritual leaders ...
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