March 30th, 2003 - Open Knowledge
Mar. 30th, 2003
03:40 pm - Grandma walks...
Via Tastes Like Chicken
Deception fuels domestic bliss
Evolution may make men ignorant and gullible.
21 November 2001
Happy families: heartwarming domestic scene or symphony of self interest?
Gentlemen: ignorance is bliss and gullibility is the best policy. A new mathematical analysis suggests that evolution favours babies who don't much resemble their fathers, and males who believe their partner when she says a child looks just like him.
Anonymous-looking newborns make for uncertain fathers. But they also allow men to father children through undetected adultery, Paola Bressan of the University of Padova calculates1. The assertion - common across many cultures - that babies are the spit of their dad, is a way to get men to care for their offspring despite their uncertainty, she adds.
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