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DegenRolf's profile
Rolf Degen
Rolf Degen
Rolf Degen
@DegenRolf

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Rolf Degen

@DegenRolf

Science writer and book author in psychology, neuroscience and evolution

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amazon.com/Rolf-Degen/e/B…
Joined July 2013

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    Rolf Degen‏ @DegenRolf 11 Jan 2018
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    The beauty of the female face is no health certificate after all - which runs afoul of the dogma that human mate choice aims at good genes. https://osf.io/f9tu2/ pic.twitter.com/1xJqAcZFVV

    1:01 PM - 11 Jan 2018
    • 44 Retweets
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    • Big lizard🌐 Timothy Bates Byron Alley lemmy caution Oantastlig Tisha C Hans-Christoph Nuerk Lucio Martelli LeoToAquarius
    10 replies 44 retweets 104 likes
      1. New conversation
      2. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Female facial beauty IS sexually selected. But as Darwin ingeniously recognized, sexual selection is not about survival benefits, but about arbitrary signals that may even hinder survival. Fisher captured that in the sexy son hypothesis, which I find elegant.

        7 replies 19 retweets 68 likes
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      3. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Any by the way, Shakespeare captured this in his first Sonnet, beauty for beauty's sake, l'art pour l'art.pic.twitter.com/UmanjUMge8

        2 replies 6 retweets 20 likes
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      4. End of conversation
      1. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Replying to @TheAdaptedMind @PsychoSchmitt

        No. But it is not about genes that provide a survival benefit. They may even hinder survival, which was Darwin's great discovery. Remember the peacock, which repulsed Darwin?

        0 replies 0 retweets 3 likes
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      1. Rolf Degen‏ @DegenRolf 12 Jan 2018
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        Replying to @rztoo @late2game

        Rolf Degen Retweeted Rolf Degen

        The effect of facial symmetry has been disproved. The ratio of curves HAS an optimum, but it isn't linked to fitness https://twitter.com/DegenRolf/status/898567862855626753 … As to faces and boobs: There are many, many ways for those to be beautfull, with sometimes oppoosing parameters (broad/narrow, etc)

        Rolf Degen added,

        Rolf Degen @DegenRolf
        Against established doctrine, a small waist in relation to the hip does not signal women's fertility and health. https://drive.google.com/file/d/0B39QQeJoh7gXMzhmYy1reDBUM0k/view … pic.twitter.com/M8ds8sopt9
        0 replies 0 retweets 3 likes
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      1. New conversation
      2. David Schmitt‏ @PsychoSchmitt 11 Jan 2018
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        Replying to @DegenRolf

        indeed, your clear blanket statement that women's faces give us no valuable information about health and fertility is justified. clearly.pic.twitter.com/L3TYQCK4hQ

        2 replies 1 retweet 10 likes
      3. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Replying to @PsychoSchmitt

        Never said anything about fertility. That one is a matter of age, not of good genes.

        0 replies 1 retweet 8 likes
      4. End of conversation
      1. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Studies that seemed to show that female facial beauty IS associated with health argued that this is evidence of mate choice for good genes. THAT part doesn't look so good anymore, doesn't it?

        0 replies 0 retweets 0 likes
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      1. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        This is not the first failed replication.

        0 replies 0 retweets 0 likes
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      1. Rolf Degen‏ @DegenRolf 11 Jan 2018
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        Replying to @aerhaerhaethah @PsychoSchmitt

        Rolf Degen Retweeted Rolf Degen

        I know this too well. But empirically, it failed lately. If you are really interested, you MUST read this book:https://twitter.com/DegenRolf/status/863454791283994627 …

        Rolf Degen added,

        Rolf Degen @DegenRolf
        The idea that females select males according to signs of good genes is high in popularity and low in reproducibility https://www.amazon.com/Evolution-Beauty-Darwins-Forgotten-Theory/dp/0385537212/ref=sr_1_1?s=books&ie=UTF8&qid=1494698605&sr=1-1&keywords=darwin+beauty … pic.twitter.com/F61tTnfeTv
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      1. New conversation
      2. EvolutionistX‏ @EvolutionistXX 11 Jan 2018
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        Replying to @DegenRolf

        "Health" in what context? Did they include in the study people health problems humans had in recent evolutionary history, like malnutrition, scurvy, famines, smallpox, malaria, hookworms, etc?

        1 reply 0 retweets 8 likes
      3. EvolutionistX‏ @EvolutionistXX 11 Jan 2018
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        Replying to @EvolutionistXX @DegenRolf

        Or did they look at a bunch of basically healthy westerners who were immunized against most major diseases as children, had plenty to eat their whole lives, and might have a cold?

        0 replies 1 retweet 8 likes
      4. End of conversation

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