Originally Posted by llcj
No, it's not colour blindness I'm talking about. If I remember correctly, it is that women actually have more colour receptors for reds. I read it in one of those small articles in Scientific American a few years ago.
I didn't know about red, in particular, but I have read that in general women's senses are better. I believe it's based on us having less physical strength, so we rely on sharp, early senses to alert us of danger.