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KirkegaardEmil's profile
Emil O W Kirkegaard
Emil O W Kirkegaard
Emil O W Kirkegaard
@KirkegaardEmil

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Emil O W Kirkegaard

@KirkegaardEmil

#psychology #sociology #hbd #rstats #statistics #genomics #transhumanism #dataviz #openscience #psychometrics @OpenPsychJour

United States
emilkirkegaard.dk
Joined January 2012

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    Emil O W Kirkegaard‏ @KirkegaardEmil Mar 25

    Why did some humans evolve light skin? Seems that none of the traditional answers are right. Not skin cancer protection (occurs too late in life), not vitamin D production (easily gotten), but maybe just to conserve energy. https://www.sciencedirect.com/science/article/pii/B9780128026526000190 …pic.twitter.com/rq0jvH4Wyv

    11:55 PM - 25 Mar 2018
    • 32 Retweets
    • 63 Likes
    • Trevor Argira Glama Tracy Miller cry_w Lleó William Utley Orion Pale_Primate fucc conduit
    8 replies 32 retweets 63 likes
      1. New conversation
      2. POLtergeist  🇩🇰Λ‏ @RagnerLodbrog Mar 26
        Replying to @KirkegaardEmil

        What color is a monkey if you shave it?

        1 reply 0 retweets 0 likes
      3. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @RagnerLodbrog

        White.

        1 reply 0 retweets 1 like
      4. POLtergeist  🇩🇰Λ‏ @RagnerLodbrog Mar 26
        Replying to @KirkegaardEmil

        So maybe light skin wasn't evolved? It's an absence of a characteristic. Dark skin was only needed for some humans after body hair was shed/reduced (whatever is the evolutionary term for unneeded characteristics disappearing) and thus selected for.

        2 replies 0 retweets 0 likes
      5. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @RagnerLodbrog

        Why are you not reading the paper and trying to guesswork on Twitter?

        1 reply 0 retweets 0 likes
      6. POLtergeist  🇩🇰Λ‏ @RagnerLodbrog Mar 26
        Replying to @KirkegaardEmil

        $31.5 Text too difficult to be understood TLDR; Why type anything on Twitter?

        1 reply 0 retweets 0 likes
      7. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @RagnerLodbrog

        Use Scihub like normal people.

        0 replies 0 retweets 4 likes
      8. End of conversation
      1. New conversation
      2. RaceRealist‏ @Race__Realist Mar 26
        Replying to @KirkegaardEmil @JayMan471

        Interesting. Refutes Darwin's sexual selection hypothesis no?

        1 reply 0 retweets 1 like
      3. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @Race__Realist @JayMan471

        Some reviewers did note that, but their treatment of it seemed emotional (judging by language used), so I don't trust their judgment for now.

        0 replies 0 retweets 1 like
      4. End of conversation
      1. New conversation
      2. Toxic 🚫Centrism‏ @ExcludedMuddle Mar 26
        Replying to @KirkegaardEmil

        A theory on the spread of the recessive blue eye mutation was so the father knew he was pouring resources into his own biological offspring and not some interloper’s. Which explains much of the racial resentment/xenophobic drive at the same time.

        1 reply 0 retweets 1 like
      3. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @ExcludedMuddle

        Would require people to understand mendelian inheritance, no?

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. New conversation
      2. I Aver 🌲‏ @i_aver Mar 26
        Replying to @KirkegaardEmil

        Perhaps there’s something to the word “fair” meaning both light skin *and* sexually attractive? What if white skin’s not only energy-sparing adaptive evolution, but also example of fair Fisherian Sexual Selection rearing her blonde-haired blue-eyed head? https://twitter.com/i_aver/status/963296402255241217?s=21 …pic.twitter.com/rPbB1quiBk

        1 reply 0 retweets 0 likes
      3. Emil O W Kirkegaard‏ @KirkegaardEmil Mar 26
        Replying to @i_aver

        That's what Peter Frost has been arguing for years.

        1 reply 0 retweets 1 like
      4. I Aver 🌲‏ @i_aver Mar 26
        Replying to @KirkegaardEmil

        Aha, a search reveals this. Makes sense, and yet ppl cling to adaptive evolution explanations such as Vit D, which doesn’t. https://onlinelibrary.wiley.com/doi/abs/10.1002/ajpa.20555 …

        0 replies 0 retweets 2 likes
      5. End of conversation
      1. EvolutionistX‏ @EvolutionistXX Mar 26
        Replying to @KirkegaardEmil

        Well, you wouldn't evolve it for skin cancer protection, that's dark skin. And I think there is enough threat of skin cancer in Africa, even among young people, to push for darker skins there.

        0 replies 0 retweets 2 likes
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      1. Flemming White‏ @voxvot Mar 26
        Replying to @KirkegaardEmil

        An experiment in selective breeding for domestication turned foxes from black to white. The genesis of light skin is associated with the rise of argiculture and herding. Hunter gatherers retained darker skin tones.

        0 replies 0 retweets 1 like
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      1.  🐸not 🐸 AliRadicali‏ @Banned_Ali Mar 26
        Replying to @KirkegaardEmil

        Saving on redundant pigment seems like an adequate explanation which also goes some way toward explaining why this adaptation did not take place in other populations inhabiting higher latitudes.

        0 replies 0 retweets 0 likes
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