My long ring finger

My long ring finger

I just noticed that my ring finger is longer than my index finger. Hmm.

In a study of 44 London traders, the most successful tended to have longer ring fingers than index fingers, a ratio linked to high prenatal exposures to androgen, a male sex hormone. This exposure in turn is believed to increase adult testosterone levels.

- From Wired article Financial Crisis Has Biological Roots, Too