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Catherine Dulac is overturning preconceptions about “male” and “female” instincts and opening new avenues to treating postpartum depression.
Readers simulated the genetics of dog breeding to solve a puzzle about mixed breed percentages and sexual reproduction.
Solve a puzzle about mixed dog breeds, sexual reproduction and the COVID-19 pandemic.
The oldest law of genetics says that gametes combine randomly, but experiments hint that sometimes eggs select sperm actively for their genetic assets.
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