Re: DISCOVER/Neanderthal/Homo Sap.

Ralph T. Edwards (rte@elmo.lz.att.com)
Mon, 18 Sep 1995 21:52:06 GMT

In article <bcatDEv16q.oD@netcom.com>, bcat@netcom.com (Bearcat) wrote:

> Harry Erwin (herwin@gmu.edu) wrote:
. Skin color is very sensitive to the
> : amount of sunlight. It appears to go from very light to quite dark in no
> : more than 3000-4000 years, given the evidence from India.
>
> Is the reverse true as well? Do we go from dark to light in a similar
> time-frame, and if so, why?
>

Don't know if the time scale is similar, but the most commonly suggested
reason is need for vitamin D. In which case, our descendents will drift
toward dark, since we get vitamin D in our food now.

-- 
R.T.Edwards rte@elmo.att.com 908 576-3031