For example, in humans it’s theorized that women with wider hips have a better chance of a successful birth, therefore men are more attracted to wide hips. Like how can my brain know that wide hips is a good genetic trait and pass this attraction to wide hips to my offspring?
In: 7
How come all of the people still at a party at 5am are really into partying?
The others left earlier.
It’s an observational bias – when you look around, you’re seeing all of the organisms that, after billions of years, are still around. Hanging around is tough and so only those whose motivations line up with it are going to manage the feat.
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