White and Black - physics /biology

Hmmmm
Had a black bf once who was a lot colder than me. Maybe thats the difference. Blood temperature compensates. Dunno. Warm blooded and not so warm blooded.

Good question op.

Definitely given me some food for thought. Logic doesn't always escape me.

Same with the noses, i heard that whites have longer noses than blacks to heat up the air before it enters the body.
How do you explain a little eskimo nose then?

Hmmmm, yeah interesting.
Whoever came up with 'Native Title Act' should think past the end of their nose.

The theory is that the pigment that makes the skin dark - melanin - is very good at absorbing ultraviolet radiation. Think of it as built-in sunscreen.

Think of it as if white reflects the light - it is an even better sun reflector/repellant.
?

the melanin that makes skin darker is a uv light absorbant. it prevents/minimizes uv related skin cancer, as well as vitamin d poisoning. both are awesome survival traits in equatorial climes, so much so that it would tend to "trump" any negative effect on body temp due to greater heat absorbtion.

Dunno about you, but I'd prefer to be sunburnt (or alternatively, shaded by a tree) than sweltering. Still waiting on something that is logical.
Maybe in that case they were originally white and produced/evolved more melanin to adapt to the change in light.

What is it you aren't understanding ? The guy above you pretty much covered it. Troll perhaps ?

lol and originally white ? science has proven otherwise..definite troll.

You seemed to miss the word 'maybe'.
I'm keeping an open mind.
You seem very defensive for some reason.
You speak as though science and it's theories are ultimate truth.

lol @ troll...
I'm entitled to question.

Here I was hoping this was a thread on:

If a white man in a caddy is running on factory rims and a brother is in an identical caddy but riding on 26's...who's odometer is right?

and here yall just talkin bout skin...

you are very subtle in your ways. if those indigenous people were white originally, they would not have survived due to uv radiation- thus sunburn - thus skin cancer. Your country should know very well about skin cancer, since you guys have the hightest rates of it in the world.

white people say being black is curse and we were 3/5 of a man, but yet you risk your lives to get 3/5's of a tan.

People from HOT climates have built in Air conditioning called big noses. They are big so it can cool hot air. Look at Barbara Streisands honker and the sub-Saharan negroes big flat nose. Also, Hot climate people need to block sun so they do not overproduce Vit D. Cold climate people are light skinned so that it does not take long to produce enough vit D ( about 15 min) whereas black people need up to 8 hours to make the same amt of Vit D in cold climates. Why do Negroes like living in cold climates if they are not suited for it ?

your big nose to suit the climate is all pseudo science. its all theory.

I find it funny because black people were on every continent, including europe before the caucasoid was even in existense. white folk are a mutation, it had nothing to do with climate.

if your theory is correct, black peole living in canada or colder climates would be gradually turning white right now. I do not see this happening, since black people have been in the united states and canada for by your his-story, for 400 hundred years and I don't see this happening.

It would be interesting to see the stats on depression amongst the darker skinned folks in cold climates - since there's the theory of vit D deficiency being strongly linked to depression.

depression affects women mostly. white people commit suicide the most, which is funy because they are naturally entitled in society. It really should be black people who do but surprisingly we don't.

maybe think biology instead of physics

melanin is protective to sun, more melenin, darker, more protection????

Interesting. Do you have stat comparisons for murder also?
And, entitled to what, exactly?

op is obviously a fool. he knows this!

just trying to instill his supremacist complex in a very subtle way

I don't need a stat to prove it. you have killed on a worldwide scale, just look at yyour his-story.

for example:

“...God made all the peoples of this area...open and as innocent as can be imagined. The simplest people in the world, unassuming, long-suffering, unassertive, and submissive. They are without malice or guile...Never quarrelsome or belligerent or boisterous, they harbor no grudges and do not seek to settle old scores; indeed, the notions of revenge, rancor, and hatred are quite foreign to them...They own next to nothing and have no urge to acquire material possessions. As a result they are neither ambitious nor greedy, and are totally uninterested in worldly power...They are innocent and pure in mind and have a lively intelligence…

“It was upon these gentle lambs, imbued by the Creator with all the qualities we have mentioned, that from the very first day they clapped eyes on them the Spanish fell like ravening wolves upon the fold...The pattern established at the outset has remained unchanged to this day, and the Spaniards still do nothing save tear the natives to shreds, murder them and inflict upon them untold misery, suffering and distress, tormenting, harrying and persecuting them mercilessly.

“They forced their way into native settlements, slaughtering everyone they found there, including small children, old men, pregnant women, and even women who had just given birth. They hacked them to pieces, slicing open their bellies with their swords as though they were so many sheep herded into a pen. They even laid wagers on whether they could manage to slice a man in two at a stroke, or cut an individual's head from his body, or disembowel him with a single blow of their axes. They grabbed suckling infants by the feet and, ripping them from their mothers' breasts, dashed them headlong against the rocks. Others, laughing and joking all the while, threw them over their shoulders into a river, shouting: 'Wriggle, you little perisher.'

“They spared no one, erecting especially wide gibbets on which they could string their victims up with their feet just off the ground and then burn them alive thirteen at a time, in honor of our Savior and the twelve Apostles, or tie dry straw to their bodies and set fire to it...The way they normally dealt with the native leaders and nobles was to tie them to a kind of griddle consisting of sticks resting on pitchforks driven into the ground and then grill them over a slow fire, with the result that they howled in agony and despair as they died a lingering death.

“It once happened that I myself witnessed their grilling of four or five local leaders in this fashion (and I believe they had set up two or three other pairs of grills alongside so that they might process other victims at the same time) when the poor creatures 'howls came between the Spanish commander and his sleep. He gave orders that the prisoners were to be throttled, but the man in charge of execution detail, who was more bloodthirsty than the average common hangman (I know his identity and even met some relatives of his in Seville), was loath to cut short his private entertainment by throttling them and so he personally went round ramming wooden buns into their mouths to stop them making such a racket and deliberately stoked the fire that they would take just as long to die as he himself chose. I saw these things for myself and many others besides.

“...It is reported that the butcher-in-chief arranged for a large number of natives in the area and, in particular, one group of over two hundred who had either come form a neighboring town in response to a summons or had gathered of their own free will, to have their noses, lips and chins sliced from their faces; they were sent away, in unspeakable agony and all running with blood...”

BARTOLOME DE LAS CASAS (1484-1566)
(Sailed to the West Indies with Christopher Columbus on his second voyage)

where is supremacy inferred here?

and that theory of melanin does make sense as far as sunburn. But, what about heat absorbtion? And, anyone know if darker peoples blood really is slightly cooler than lighter peoples?
I find this stuff very interesting. The nature of things - the biology, yes.

Vitamin D is produced in the skin. Melanin limits this production. White people living in the temperate zones are exposed to less sunlight than darker skinned folks in the tropics. This allows the lighter skin to produce enough Vitamin D for survival.
Light skinned people in full sunlight in the tropics not only get sunburned, they can actually make enough vitamin D to get some degree of Vitamin D toxicity. Blacks apparently also get hypervitaminosis D easier than whites from supplementation.

same reason why rednecks move to places like s.africa and are not suited for it, moron!

We're suicide and depression prevalent back then?
I'm talking of today in your response to todays world. Not Christopher Colombus' era..
OUR day and age.
Anyway - we're discussing biology and evolution here.

Last Edited by DoubleYou on 09/11/2012 07:20 PM

Also, when a white person is in Africa, he will notice that he is comfortable in the mornings, and all the natives have on what looks like winter clothing. But by noon, the white person is sweating, and the blacks are comfortable. Our thermostats are adjusted a little different.

to the white folk, this world belong to him - so even if what he needs such as resources (gold, diamonds, oil) is 2000 miles away from him, he will go their and destroy the people through your cia black op operations and what not.

YOu can't be overt anymore, thus you do things covertly. same shit different day.