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From: cse223@uk.ac.cov.cck (David Sandiford)
Newsgroups: sci.bio
Subject: Re: DST Harmful?
Message-ID: <9-2&LS_@cck.cov.ac.uk>
Date: 11 Apr 91 07:41:25 GMT
References: <1991Apr7.180823.1462@cs.rochester.edu> <5627@media-lab.MEDIA.MIT.EDU> <1991Apr10.155634.1057@newcastle.ac.uk>
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[stuff deleted]

>Well the time was long enough for them to evolve light skin. (What advantage
>does a lighter skin give over a darker skin?  heat retention?)
>And talking of skin colour do the esquemoes (sp?) have skin as light as north
>europeans?

I heard about an experiment which seemed to show that lighter skin is better
at synthesising vitamin D from sunlight.