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October 10, 2007

Smells count

Filed under: Biology, Neuroscience

Genetics always make top news these days, such as:  

Male Body Odor Can Stink Like Urine Or Have A Pleasant Vanilla Smell, Depending On One Gene , in simple words, if I have a smell from my sweat, some can smell it, some cannot smell it; some feel it pleasant while others feel fouly….that’s what natural selection works to make sextual selection. So if you don’t know who is the right one for you, follow your nose, nature or God work for you, that’s also the basic of Chinese "Yuan" I guess.

But also, we have most in common: Pleasant Odors Perceived The Same By Different Cultures ,  in simple words, vanilla is pleasant and preffered by Astians, Americans, Arabes and Jewes. Is it a conflict?   <<"A lot of people think that the perception of pleasantness is totally subjective, and you just learn it. They think that the food preferences you have are part of your upbringing and what your culture eats," said Rehan Khan, a research scientist in the Helen Wills Neuroscience Institute at UC Berkeley. "That is true, but a significant part of what people find to be pleasant and unpleasant turns out to be the same anywhere on the planet and may reflect something about molecules themselves.">>

So smell for sex is a special one that cannot be shared by different cultures or even different peoples in the same group….that’s the result of competetion, which makes sense.  And if this is true, we can make thousands of new molecules that can compete for sex attraction. If you fall in love a girl, usually the smell doesn’t work for men since they are stupor for smells, you get her DNA sample, and run a  genotyping, find out her genes for OR7D4 gene, RT/RT or RT/WM? if RT/WM, you can  make a protein sample from the genes and then try your collection of thousand molecules mimic androsterone, to compare the binding intensities… and select one to make it into perfume and spill it on your body to cover all your other smells, then meet the girl…..That’s a big business in the future and not a fantasy. On the other hand, the girls will use different stratagies to discover men’s cheating tricks……

V: 不是自相矛盾吗?男人负责追逐女人,女人用鼻子从追逐自己的男人当中找出具有自己喜欢味道的出来,当作伴侣?

G:  women and men use different strategy, men have more sperms, he need to spill as more as possible; women have one occyte per month, have to be selective to choose the best one…

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