An interesting fact about skin tone

I thought of this while I was reading through Sophia’s latest entry.  I figured that this would be a good chance to test out and demonstrate the trackback feature on her blog. Technorati Tags: Race,Vitamin D http://www.oisso.com/2009/08/18/get-your-vitamin-d/ Here’s some interesting info that I found at http://en.wikipedia.org/wiki/Huma [...]