Friday, 28 May 2010

My weapon is useless and my ornament is ugly

I read an interesting article tonight in this week's Economist. It seems that, "Almost all of the traits considered to be masculine—big muscles, facial hair, square jaws, deep voices and a propensity to violence—evolved, it now seems, specifically for their usefulness in fighting off or intimidating other men, allowing the winner to get the girl." Apparently a trait is sexually selected if it evolved specifically to enhance mating success. They come in two main forms: weapons, such as an elk’s horns are used to fight off competitors; and ornaments, like a peacock’s tail, which are used to advertise genetic fitness to attract the opposite sex. My arm (weapon) is broken and my plaster cast (ornament) is pretty ugly. I think I'll go and buy Sandie some flowers tomorrow, or just remind her I spent 2.5 hours cleaning her flat in Pau - that's pretty masculine right? The full article can be found at http://www.economist.com/science-technology/displaystory.cfm?story_id=16160490

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