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Evolutionists - how long before all pale people in the tropics go black?

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posted on Jan, 22 2012 @ 07:09 PM
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This may be a silly question, but since whites have lived in South Africa since 1652, and also in the US, Latin American and Oceania, I've always wondered how long it will take for us to turn black.

I'd like to focus on melanin, or skin color issues only, and not other supposed attributes currently essentialistized as "racial" (IQ, crime, over-population and so forth).

With skin color, science focuses on Vitamin D as a factor, and also minimizing sun damage.

Some say we have a harsher sun than previously (which should speed up evolutionary change towards a darker skin), while others argue that cultural factors like clothes, buildings or sun-screen delay a natural process.

Miscegenation is one way to darken a nation, but won't it happen naturally?

How long will it take?
edit on 22-1-2012 by halfoldman because: (no reason given)




posted on Jan, 22 2012 @ 07:14 PM
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reply to post by halfoldman
 


A couple of hundred thousand years at minimum. I am no evolutionary biologist, so I could be off, maybe at least a million years?



posted on Jan, 22 2012 @ 07:14 PM
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reply to post by halfoldman
 


latitude determines skin color. If you want darker skin move closer to the equator.



posted on Jan, 22 2012 @ 07:20 PM
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i reckon its all a myth, we're all different independent sub species



posted on Jan, 22 2012 @ 07:21 PM
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reply to post by Patchman
 

Native Americans weren't black along a tropic latitude, neither were the Polynesians or other Asian peoples.



posted on Jan, 22 2012 @ 07:32 PM
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reply to post by halfoldman
 


no they arent black but they arent full on white either there is more factors than just the altitude though



posted on Jan, 22 2012 @ 07:34 PM
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Depends how quickly all the pale skinned people mate with the dark skin people. If modern medicine (including things like sun-cream etc) was removed from the equation and there was a cultural ubiquity in the amount of sun exposure, it wouldn't take that long. A handful of generations of pale-skinned people observably dying from skin-cancer and other sun related illnesses at younger ages than darker skinned people, would soon change mating habits of those intent of providing the best chance of survival.

If you're talking about a hypothetical genetically isolated pale-skinned people, it might take thousands of years



posted on Jan, 22 2012 @ 07:35 PM
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edit on 22-1-2012 by grubblesnert because: I resind my knee jerk reaction



posted on Jan, 22 2012 @ 07:41 PM
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Originally posted by halfoldman
I've always wondered how long it will take for us to turn black.



A much longer time that it used to.
The selection here is "unfit" pale people dying from skin cancer, and thus having a selection disadvantage into the next generation.

But nowdays people stay inside, wear clothes and hats and use sunscreen, know about skin cancer and can see medical specialists to have things removed from the skin if they look bad. So the selection disadvantage is almost completely removed.



posted on Jan, 22 2012 @ 07:41 PM
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reply to post by ghostsoldier
 

A good explanation.

Of course skin cancer remains a matter of debate.

I suppose the paradox is that dark-skinned people sometimes want to go lighter, and noxious creams are still used from Africa to India, and across the diasporas.

So one group of vain people sits in the sun, or under UV rays to go darker.
And the other group sits rubbing poison into their skin to go lighter!

How ridiculous is that?



posted on Jan, 22 2012 @ 07:49 PM
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reply to post by halfoldman
 
I read of an incident in South America where the Natives discovered a radium dump and rubbed the glowing radiactive waste on their bodies.
With predictable results.



posted on Jan, 22 2012 @ 08:10 PM
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reply to post by halfoldman
 


lol, I personally can't wait 'till we are all just a shade of brown from interbreeding between races, it would contribute sooo much to solving some of humanities issues.



posted on Jan, 22 2012 @ 08:19 PM
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reply to post by ghostsoldier
 

Well, it might not solve anything, or just repeat the problems in shades of brown.

But evolutionary speaking, we're currently told we all turned white from an African population due to environmental factors, and it figures that whites in the tropics should go black again.

Now, if evolution is a science, then even without inter-racial marriage, we are going black.

So how long will it take?
I mean if they can date the past, then surely they can somehow date the future?


edit on 22-1-2012 by halfoldman because: (no reason given)



posted on Jan, 22 2012 @ 09:06 PM
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How bout if evolution is nonsense, and whites are never going to "turn black" from living even thousands of generations in the tropics?

Someone already pointed out Polynesians being non black on the equator. And Eskimos aren't exactly white, either.



posted on Jan, 22 2012 @ 09:21 PM
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Originally posted by ragsntatters
i reckon its all a myth, we're all different independent sub species


Based on what science??



posted on Jan, 22 2012 @ 09:24 PM
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The biggest problem people who don't understand evolution have is an ability to factor in huge time spans. If evolution doesn't happen by Tuesday than it doesn't exist.



posted on Jan, 22 2012 @ 09:28 PM
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reply to post by spyder550
 

On the other hand there have been species, or variations within a species, where nothing has happened since Monday, and I guess it's not going to happen by Friday either.

OK, the crocodile or the coelacanth are probably not going to evolve much soon, but what can we expect for future paleontology/physical anthropology?

I naturally assumed we were studying our past to determine out species' future.


edit on 22-1-2012 by halfoldman because: (no reason given)



posted on Jan, 23 2012 @ 04:02 AM
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this might just be my take on it, but white people were created after asian,native american and blacks, they show up in history way to late in the game if you can imagine the actual difference in time between the expansion of these races.



posted on Feb, 10 2012 @ 05:52 PM
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reply to post by ZeroUnlmtd
 

Evolution again sees it differently.

First there were the whites who came from Africa, and then only the the more Eastern/Mongoloid races.

There are also still remnants of negroid races in Asia and the Pacific who apparently didn't change much.

Sometimes evolution happens very fast, and sometimes it hardly happens at all.

Perhaps bottle-necking a population, and cutting them off from others leads to very fast changes.


edit on 10-2-2012 by halfoldman because: (no reason given)



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