Articles by Blanche Capel

span.cap { float: left; margin: 0 3px 0 0; padding: 25px 0 25px 0; font-size: 80px; font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif; } By Blanche Capel Choosing Sex The gonad is an amazingly labile organ where male and female signals vie for dominance in the developing embryo. © Lynn Johnson / National Geographic Image Collection --> Editor's Note: The gender of South African runner Caster Semenya&

span.cap { float: left; margin: 0 3px 0 0; padding: 25px 0 25px 0; font-size: 80px; font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif; } By Blanche Capel Choosing Sex The gonad is an amazingly labile organ where male and female signals vie for dominance in the developing embryo. he recent controversy over the South African runner Caster Semenya's gender illustrates the complexity of how sex is assigned in hum