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• June 14th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

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• March 3rd, 2008

  Why do our newborns squirm so much after feeding?

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• January 17th, 2008

  What should I have engraved on the ring I bought my wife for her 30th birthday?

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• December 29th, 2007

  Product reviews are hard to find - any suggestions?

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• December 20th, 2007

  What is the probability of having a baby boy and girl together?

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Answers

• June 18th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

  @Girl_Powered “Why do Inuits have dark skin?” Because they’re not really “from” where they now reside – they’ve only been there about 5,000 years.
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• June 15th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

  I don’t mind that my Fluther became a debate about height/evolution – it’s interesting :) OK – I’ll put my neck on the line…this is how I see it: In modern times our potential to grow tall is less restricted by disease, poor diet/nutrition that it was historically. I suspect if you identified someone from hundreds of years ago who only reached 5 feet in height as an adult, went back in a time machine to their birth and brought them into the modern world (e.g. Europe/USA) to grow up, they’d grow to be a taller adult, due to better medicine, better nutrition and better hygiene. (I admit I base that on nothing more than my own speculation.) What do you think?
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• June 15th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

  @Girl_Powered They taught you that once food was reliably available humans grew taller and this changed their DNA structure…and that’s “evolution”? I find it really worrying that you were taught that. You know better now, though, right?
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• June 14th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

  @DarkScribe “I am from a family who ate in that fashion. We never had packet, processed or takeaway foods while I was young. I passed six feet tall at thirteen.” I think that’s what’s called ‘confirmation bias’!
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• June 14th, 2009

  Wouldn't it make more sense to be dark-skinned in cold climates and light-skinned in hot ones?

  I did a bit of research and, like @crisw up there, also realised that British people like me are pale because melanin restricts our ability to make Vitamin D through exposure to sunlight. So one way of looking at it is that as humans moved away from the fertile crescent and away from the equator, they tended to become lighter-skinned to aid with Vitamin D production (as opposed to being due to a reduced need for UV protection).
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