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Ten Things We Still Don't Understand About Humans

ParticleGirl writes "New Scientist has an article examining 10 human features (bugs?) that we still don't understand, like blushing, laughing, and nose-picking. There are some interesting, speculative evolutionary explanations listed for each. '[Psychologist Robert R. Provine] thinks laughing began in our pre-human ancestors as a physiological response to tickling. Modern apes maintain the ancestral 'pant-pant' laugh when they are tickled during play, and this evolved into the human 'ha-ha.' Then, he argues, as our brains got bigger, laughter acquired a powerful social function — to bond people. Indeed, Robin Dunbar at the University of Oxford has found that laughing increases levels of endorphins, our body's natural opiates, which he believes helps to strengthen social relationships.'"

17 of 397 comments (clear)

  1. Nose picking? by 18_Rabbit · · Score: 5, Insightful

    What's not to understand? It clears the nose!

    1. Re:Nose picking? by Kokuyo · · Score: 4, Insightful

      And is so much less uncomfortable than blowing your nose.

    2. Re:Nose picking? by Abstrackt · · Score: 5, Insightful

      And it dislodges whatever blowing your nose couldn't.

      --
      They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance. - Terry Pratchett
    3. Re:Nose picking? by icannotthinkofaname · · Score: 5, Insightful

      Oh, man, I know what you mean. Totally understand. I've felt that one. Nothin' like going from 1% clear nasal passages to 1% blocked.

      Very few things in life feel better.

      Mods: I'm 100% serious. Putting aside any personal feelings of disgust, how many of you agree? You all know it's true.

      --
      Let q be a radix > 1. I am in ur base-q, killing 10 d00ds.
  2. Or why people still take ... by Charles+Dodgeson · · Score: 4, Insightful

    ... the New Sensationalist seriously as a science magazine.

    (Fine, mod this flamebait. I've got Karma to burn and I really dislike that rag.)

    --
    Prime numbers are exactly what Alan Greenspan says they are -S. Minsky
    1. Re:Or why people still take ... by radtea · · Score: 4, Insightful

      ... the New Sensationalist [newscientist.com] seriously as a science magazine.

      Yeah, particularly as the article uses the outmoded term "altruism" for helping behaviour, and for some reason says, "most people say it doesn't make any evolutionary sense." I guess by "most people" they mean "most people who know nothing about the extensive and sound work on kin-selection and the evolutionary advantages of being a member of a group that engages in helping behaviour that has taken place in the past fifty years."

      Seriously, helping behaviour hasn't been an issue for a couple of decades, and only then amongst the innumerate hangers-on from an earlier era. No one who knows anything about modern evolutionary thinking believes it is an issue today, which pretty much means, "New Sensationalist chooses ignorant ass to make up plausible bullshit to sell magazines to ignorant people under the guise of science."

      --
      Blasphemy is a human right. Blasphemophobia kills.
  3. Re:Teenagers? by Ralph+Spoilsport · · Score: 5, Insightful

    Right and wrong. Teenagers are an invention. It used to be that you went from late childhood (13 - 14) into adulthood. There's a reason why many people had little more than an 8th grade education - after that you were expected to join the world of work. Alexander the Great had pounded much of the world into submission by the time he was 20. "Teenagers" as we understand them are a product of post WW2 western culture as a market for commodity capitalism in the face of expanding resource bases. As resource bases contract and the world goes back to a solar economy, expect the teenager to disappear.

    --
    Shoes for Industry. Shoes for the Dead.
  4. Re:Teenagers? by tacarat · · Score: 4, Insightful

    Can it be argued that the some of the problems with teens is that they're treated as kids longer than is healthy? Folks used to be "adults" much sooner. Maybe it's Darwin award fodder, but if an adult makes a stupid mistake, they're morons and treated accordingly. If a child does it, they're "just kids" who couldn't have known better. If a teen does it then they're sort of in the middle, dumb, but not responsible. The coddling that some parents throw into the mix does nothing but protect or encourage some behavior.

    So yes, kids should be allowed to start drinking, swearing, fighting, fucking, smoking, shooting, PAYING THEIR OWN WAY and whatever else sooner in life than when they're allowed to now.

    /rant off
    /goto parent's basement of neverending virginity

    --
    "Common sense will be the death of us all"
  5. debated != "mystery" by SanityInAnarchy · · Score: 5, Insightful

    Example: Altruism.

    It actually seems pretty obvious -- a community which was altruistic would, in the long run, have a higher chance of survival than a community which wasn't.

    Another example: Superstition. I love this bit:

    Religion offers another possible evolutionary benefit of superstition.

    So... how is religion not superstition? Now you've got two mysteries, instead of one. And the same explanation still holds:

    Our ancestors would not have lasted long if they had assumed that a rustle in the grass was caused by wind when there was even a small chance it was a lion. And it is worth making false-positive mistakes to get these relationships right.

    Basically, religion and other superstitions are maladaptions of our ability to recognize patterns -- and an acceptable alternative to missing some pattern. Better to be paranoid than to be gullible -- better to be afraid of the tiger that isn't there than to be eaten by the tiger who is.

    I suppose these aren't proven, but I do find this pretty weak, even for a "top 10" list. It's not "mysteries" so much as "cases which are not yet airtight".

    --
    Don't thank God, thank a doctor!
    1. Re:debated != "mystery" by Hurricane78 · · Score: 4, Insightful

      That's for old "nature" religions.

      Nowadays religion is basically two things:

      First a god is one way to cope with the fact, that we never can know where it all comes from. (The big bang and there being no time before it, is another more realistic one.) Of course they are all by definition unable to answer that question. But better than to get crazy, right?

      Second, the "get crazy" part: If you ever read something about what we used to call neurosis or schizophrenia: It is basically the "art" of twisting the world so it's OK to you, even when it's not. You for example state, that it was OK that you got raped, because you really did bad things to your father when you were young. And then go to do way too much good, to make up for it, afterwards. Or you run onto the highway because you think you can control the world. And then when you get hit, you later insist that you wanted it that way.

      Religion basically is a light form of schizophrenia. Which is bad and good. (In psychology, if something is a disease, depends on your/their view of "bad".)
      It basically helps people cope with bad lives, horrible things, wars, poverty, and the everyday frustration. They can blame it on a higher power, or on their own fault to live by the rules of that power. So while I am far from being religious, I can totally understand people who are, and their needs for it. It's a useful tool for a desperate situation.

      Where it gets bad, is when people want to profit from those people, by acting as if they were a mediator between them and their higher power. While essentially taking over their will and life. It's the biggest and one of the most evil scams -- off the backs of them.
      But hey, people strive for the reproduction of their genes, and of their ideas. It's called evolution. And mother nature is really a bitch.

      --
      Any sufficiently advanced intelligence is indistinguishable from stupidity.
  6. Is slashdot going the way of Digg? by lalena · · Score: 5, Insightful

    We've all heard the joke about how to get on the front page of Digg.
    Your article title should be "Top X {Reasons|Ways|Games...] To [Pick Up Girls|Make your own Fusion Reactor...]"
    Yesterday on /. it was an article on 10 failed mouse designs. Today it is 10 things we don't know about the human body.

  7. Wow. by Hubbell · · Score: 4, Insightful

    "Indeed, Robin Dunbar at the University of Oxford has found that laughing increases levels of endorphins, our body's natural opiates, which he believes helps to strengthen social relationships."

    Pretty sure this has been common knowledge for years/decades.

  8. Re:Teenagers? by Rozine · · Score: 5, Insightful

    Just because society expected teenagers to work in the past doesn't mean that there aren't significant mental (physical brain) changes going on during that timeframe.

    And resources contracting back to a "solar economy"? Turn in your geek card - geeks believe in the power of technology to improve lives. There's no reason to expect that that won't continue.

  9. Re:Missed one: by Hurricane78 · · Score: 4, Insightful

    You don't. I do. In fact I changed from your point of view to being able to not only understand how women think but sometimes even play on their motivations like on a piano. Nice side effect: Works on men too! :) But of course, any unfair manipulation is completely out of question. Analog to "white hat hacking".

    But for you I have one single rule that you have to burn into your brain like your life would depend on it:
    It's not important what you say, but how you say it. Or more general, how it feels.

    This works while flirting, in every day communication, when arguing, when she asks if she looks fat, in creating a situation that will make her hot, etc, etc, etc.
    You can walk up to a girl, and literally say the biggest crap. If it creates the right feeling in her, it will work.
    That's why pickup lines are completely use- and pointless.

    Politicians and especially advertisers are professionals in this too. Because it works on the more "basic" emotional brain. (Which really is not "simpler" than logic, but just another kind of intelligence.)

    Never forgetting that single thing will help you more than any stupid relationship-help book. (Ok, I guess most of these include this nowadays.)

    --
    Any sufficiently advanced intelligence is indistinguishable from stupidity.
  10. Re:Missed one: by Hurricane78 · · Score: 4, Insightful

    Oh, I forgot: Of course I meant "how it feels for her"! Which means you have to listen to your emotional brain. Something that goes a bit against the stereotype of the cool western male, but in the end will make you a more manly man. (Protip: You still don't have to actually show all of those emotions. ^^)

    --
    Any sufficiently advanced intelligence is indistinguishable from stupidity.
  11. Re:Missed one: by Anonymous Coward · · Score: 4, Insightful

    I don't know, the level of unethical manipulation, objectivization, self-involvement, narcissism, and sexism in your theory seems perfectly consistent with the "stereotype of the cool western male."

    But you're right about not needing relationship-help books. They also just slap together half-assed, pseudo-psychology and painfully obvious observations on rhetoric.

    It's going to be painful, when you realize just how many women see right through your pose.

  12. Re:Teenagers? by CharlyFoxtrot · · Score: 5, Insightful

    That's also why the world used to be a much more brutal place. Teenagers and their hormones and persecution and superiority complexes and need to prove themselves need to be contained until they mature a bit. Alexander the great sounds cool until you realize it was a guy with a god-complex (literally) running around with a private army slaughtering people everywhere he went to prove he was bigger and better than his daddy Philip.

    --
    If all else fails, immortality can always be assured by spectacular error.