Even as their old way of life disappears, the Nanadukan Agta have shown that, beyond the biological fact that women give birth and lactate, culture can dictate almost every aspect of what women and men do. The way lives are divided when it comes to child care, cooking, getting food, hunting, and other work is a moveable feast. There’s no biological commandment that says women are natural homemakers and unnatural hunters or that hand-son fathers are breaking some eternal code of the sexes.