![When should a man be more interested in caring for his sister’s children than his wife’s?](https://mappingignorance.org/app/uploads/2012/12/Himba_Woman_and_Family-320x180.jpg)
When should a man be more interested in caring for his sister’s children than his wife’s?
From the genetic point of view, when should a man be more interested in caring for his sister’s children than his wife’s? A quantitative analysis of Alan Rogers, University of Utah, shows that this behaviour should be the choice in populations where adultery is common or permitted. In the animal world, males caring for offspring […]