biology

Male and Female Athletic Performance: Worlds Apart
In line with the biology of sexual reproduction and evolutionary pressure on reproductive fitness, males and females are physically different. Physical divergence begins with primary sex development at around seven weeks in utero when, triggered by genetic information inherited at fertilization, bipotential gonads differentiate as either testes in males or

What Light Does ‘Three Identical Strangers’ Throw on the Nature/Nurture Debate?
The 2018 film, Three Identical Strangers, is gripping. It is both an exposé of a 1950s secret twin study (studies of triplets fall under the general heading of “twin or multiple birth studies”) and a heartbreaking portrayal of identical triplets, Robert, David and Eddy, who were separated at birth, then