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6 Things Your Body Does Every Day That Science Can't Explain

Posted on 10/21/09, 11:29 pm
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6 Things Your Body Does Every Day That Science Can't Explain
By Nathan Birch Oct 19, 2009 1,511,613 views


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The human race has scaled the tallest mountains, charted the deepest oceans and played a quick front nine on the freaking moon, but there's one frontier that still largely mystifies us: our own bodies.

There are everyday phenomenons you'd think must have been explained ages ago, but in reality asking these simple questions of a scientist will net you at best a shrug, and at worst some bullshit he just made up off the top of his head.

#6.
Yawning


The act of yawning is baffling to experts for two reasons. One, it doesn't actually seem to serve any purpose. Seriously, when you feel a yawn coming on, suppress it. What happens? Do you go into convulsions? Is your face racked by pain? Does blood shoot from your nose? No. Not a damned thing happens.

Equally baffling, though, is the contagious nature of it. Yawn, and whoever sees you will yawn. When a chimpanzee yawns, the other chimps yawn. If you yawn, you can make a dog yawn. Seriously, try it.



Odds are you've yawned once just because you read the word "yawn" several times above. Why?

Science's Wild-Ass Guess:

Your science textbook in elementary school may have said that low oxygen levels in the blood triggered yawning, with the yawn providing a quick influx of the gas. That was the prevailing theory going back to the days of ancient Greece. As is usually the case though, it turns out people from back in the day didn't know what the hell they were talking about. In fact it's been found yawning may actually decrease oxygen intake. Makes sense, when you do hard exercise you don't start frantically yawning. You don't see athletes yawning in the middle of a sprint.

Unfortunately, the alternatives are quite a bit more insane.

Such as the theory that yawning is the body's way of controlling brain temperature. Yeah, apparently scientists think our brains function with all the complexity of an old car engine. And you know how you're always yawning when you wear a hat, right? Right?



The proof of this was experiments in which it was found people with cool packs attached to their heads yawned less. Unless there could be some other reason people sitting in an unfamiliar lab with ice packs on their heads weren't much in a yawning mood...

As for why yawning is contagious, some scientists have pointed to human being's primitive herd instincts, figuring group yawning could have helped regulate sleeping patterns so that a "whoops, we all fell asleep at once and got eaten by giant sloths" situation didn't develop.

This remains merely a theory though, and of course still doesn't explain why people yawn while on their own.

#5.
Adolescence


Hey teenagers, need something else to add to your angst pile? Turns out these awkward times you're going through are far from universal in the animal kingdom. It's only humans Mother Nature decided to kick in the nuts, cursing to an opposite sex-repelling bubble of greasy clumsiness.

What evolutionary sense does it make for guys to be confined to their parents' basements smearing Clearasil on their face during their prime sexual years?


Yeah, a tie, that'll do it.

Scientists can't even agree when exactly the adolescent phase evolved. Some believe teenagers were awkward balls of nerves and nose grease as early as the Homo erectus era over a million years ago, while others think it's a much more recent development. Until they find a Homo erectus skeleton holding a fossilized iPod filled with My Chemical Romance songs, we may never know for sure.



Science's Wild-Ass Guess:

Some scientists argue that guys' half-decade of dorkdom is designed to force them develop traits chicks dig, like a sense of humor, artistic talent and conversational skills. Honestly though this theory sounds like the wishful thinking of scientists who don't want to face the ugly truth that their memorization of the periodic table and every Battlestar Galactica episode won't be getting them in any girl's pants ever.

Plus, it's hard to buy from an evolutionary perspective. Are we seriously to believe that all the guys who didn't have awkward teen years somehow got bred out of the population? Where we went to high school, while the clumsy awkward teens were trying to discover our charming adult personalities, the cool teens were busy having sex with one another. After a few thousand years of that, shouldn't evolution dictate that we all turn into Sean Connery on our 13th birthday?



#4.
Placebo Effect


It's obvious why some placebos work. A guy says he's feeling nauseous, you give him a sugar pill and tell him it'll cure it. He stops worrying about his stomach, thus the stomach calms down. The "herbal Viagra" industry and products like ExtenZe can enhance sexual performance by making the man think he has taken something that will enhance his sexual performance. It's easy to imagine how it works.

But the placebo effect goes way, way beyond that.

Completely imaginary drugs have been found to help everything from warts, to heart disease, to asthma. Doctors have even gone so far as to conduct sham knee surgeries that were almost as effective as the real thing.


"Fake knee surgeries, what a terrific use of my medical degree."

What the hell?

Science's Wild-Ass Guess:

First, there's debate over whether the placebo effect is even real at all, with some believing that most recoveries attributed to the effect can be explained by the body's natural healing abilities (as in, the patients would have gotten better even if they hadn't seen a doctor at all).

On one level, that's actually pretty disturbing. Keep in mind, some studies show placebos work as well as actual medical techniques in up to 50 to 60 percent of cases. Yes, it's possible 50 to 60 percent of what the trillion dollar medical industry does could be achieved by staying home, resting and watching daytime TV. Try not to think about that one too much or you may end up on YouTube screaming something at a town hall meeting.

Others have even hypothesized the placebo effect may just be us unconsciously ignoring or repressing symptoms so we please our doctors. Meaning, the patient was still in pain, but was fed up with sitting in the waiting room for an hour every week so finally said, "fuck it." Tell the doc you're all better and get him to sign a note for you to return to work.


"I did it? Hell yeah. I rule at doctoring."

None of those explain everything, including the extremely weird fact that the phenomenon has become more and more powerful in recent years.

Again we ask, what the hell?

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Results: GRAAAAAAAAUUUGGGGHHH
10/21/2009 05:06:28 PM FadingMind
On adolescence: the current state of adolescence is more of a result of nurturing; the continuing infantilization of teens is causes them to be more dependent, more irrational, and less able to cope with hardships than they were 200+ years ago. In the 1700s and 1800s (and also earlier), 16-year-olds were considered adults, got married, tended land, went to war, and so on. They were treated as adults, so they acted like adults. They didn't spend time whining about their dolls, because they were learning to sew and cook, or build barns. Or whatever the hell they did back then. The rest of it is all just cosmetics, and there's always someone willing to overlook your flaws to get at your fun bits. For some people, they lose weight or get bigger boobs/junk in puberty. Also, the catch 22 for men is that their sexual virility is caused by the massive amounts of hormones...which also causes acne, greasy skin, and changes in voice.
10/21/2009 04:41:58 PM kvinnan86
You lie!
10/21/2009 04:12:54 PM kpfingaz
What on earth is everyone's problem with pubic hair?!? Studies show it increases sexual sensitivity for one thing. And since it's one of the signs that designates a post-pubescent from a pre-pubesescent human, I'd say evolutionary theory be damned. I think people who dislike pubic hair are people who haven't quite grown up emotionally enough to desire full-grown adults. And yes, the ancient Egyptians (inventors of all sorts of depilatory techniques,) also over-prized the sexual attractiveness of youth. Just like us. Personally, I've always found that men who don't like pubic hair on women are the same ones who are fine with topless beaches, but object to breastfeeding in public. These guys also tend to have temp jobs and spend a lot of time watching football and playing video games. Evolutionarily speaking, not a great catch.
10/21/2009 03:19:22 PM dahliawaltz
The baby didn't exactly grab hold, but the hand cuffs sure did...
10/21/2009 01:13:37 PM jericho4854
i just yawned several dozen times in a row. anyway, a theory i heard about dreams has it that when we're asleep, some of our neurons just kind of get bored and start randomly firing, and since the neurons that interpret sensory information don't know the difference between reality and not-reality (the just pick up signals from other neurons), dreams are the way they deal with the random firing. it also makes sense that we dream about what we've been thinking about, because the neural patterns that represent those things will be stronger and more likely to fire.
10/21/2009 10:52:36 AM sevenlies
@pedgerow; "And I remember reading somewhere that the distribution of hair on bodies is to do with us evolving from things that lived underwater or something like that." Is this where the "bearded clam" came from?lol I believe that, since a woman has natural pubic hair, it's just proof that they didn't originate in Brazil.
10/21/2009 08:59:24 AM RAGTOPJAG
Honestly though this theory sounds like the wishful thinking of scientists who don't want to face the ugly truth that their memorization of the periodic table and every Battlestar Galactica episode won't be getting them in any girl's pants ever. it might get you into my panties, but of course i'm an unpopular-with-the-opposite-gender nerdy overweight girl. seriously guys; of course your changes of getting laid are slim if you all go after the head cheer-leader.
10/21/2009 08:28:17 AM clytamnestra
My children are always grabbing my crotch. Don't think I could support their weight, though. Probably shouldn't post this, makes me sound like some kind of deviant.
10/21/2009 06:10:30 AM monstermunch
The sadistic hussy left me with ingrown hairs
10/21/2009 05:02:19 AM Catalyna
"Odds are you've yawned once just because you read the word "yawn" several times above." DAMN YOU!
10/21/2009 02:16:20 AM Odra
Chris, about your theory. I submit that those areas are not sensitive and hence need to be protected, but are sensitive because they are protected. To demonstrate, feel the skin on your forearm and then the skin on your thigh. Unless you spend a lot of time in speedos or walking around outside naked, there is probably a difference. The skin on your forearm is tougher. There is a similar difference between your thigh and calf, right? Well areas like your crotch and armpits are not only protected by your clothing from the sun and elements, but are also protected by hair. Therefore, I conclude that if we did not have that hair, and were naked, hunting cave men, the skin on those areas of our body would have developed to be tougher like the exposed areas of skin. Taken from this perspective, that protection seems like a damn good idea, or else we may have the horrifying concept of leathery, weatherbeaten crotch skin. You're welcome, those of you who for some reason are looking at porn while reading this.
10/20/2009 10:32:37 PM Tunikidya
Chris, about your theory. I submit that those areas are not sensitive and hence need to be protected, but are sensitive because they are protected. To demonstrate, feel the skin on your forearm and then the skin on your thigh. Unless you spend a lot of time in speedos or walking around outside naked, there is probably a difference. The skin on your forearm is tougher. There is a similar difference between your thigh and calf, right? Well areas like your crotch and armpits are not only protected by your clothing from the sun and elements, but are also protected by hair. Therefore, I conclude that if we did not have that hair, and were naked, hunting cave men, the skin on those areas of our body would have developed to be tougher like the exposed areas of skin. Taken from this perspective, that protection seems like a damn good idea, or else we may have the horrifying concept of leathery, weatherbeaten crotch skin. You're welcome, those of you who for some reason are looking at porn while reading this.
10/20/2009 10:32:13 PM Tunikidya
the placebo thing is easy. The human mind can do anything it puts its'... mind.. to. From math, to becoming famous, to getting into outer space and wandering around. to unravelling awesome s**t, that people like gallileo and einstein, as brilliant as they were, weren'teven scratching the surface of,. Where they thought they had reality pinned down, and figured out, They were barely sniffing the edges. That s**t once seemed impossible. But people kept using their minds and got s**t done. Now we have quantam physics and the f**king 26 unseen dimensions of String Theory... and it WORKS. Hippies ruined a lot of awesome ideas (see: tim Leary, he had a thousand realistically awesome and useful insights into reality yet he's famous for inspiring drop-outs and smuggling weed in his daughters panties), and the power of positive thinking is one of them. If you think yr well, yr body will adjust, thus placebos work. You could say it's a no brainer, except for the fact it's all brain and us humans are powerful on levels we dont even realise. A Fact that Brockway will come in his pants over roughly every five minutes from now until eternity.
10/20/2009 09:47:28 PM VismundCygnus
Yes, I did yawn. I'm still yawning. Now it'll take me forever to stop. Thank you for ruining my life.
10/20/2009 08:56:04 PM Saint.Dark
"Try not to think about that one too much or you may end up on YouTube screaming something at a town hall meeting." *Sigh* I just cried laughing after reading that, soo funny.
10/20/2009 08:35:00 PM ChrisSporagtini
Ok, I know this is a comedy website, and they do this for the laughs of course, but i have had a theory about this for a while now and never bothered to look into it. So I pose the question to the internet mindstorm for approval. You know when you shave the junk, and the next day it can get a little red and raw down there simply from walking around? You know it happens gentlemen, don't think you are alone. Parts start rubbing around, and things can get uncomfortable. Well imagine you are out in the bush, (actual foliage people, not of the female variety) and you are hunting a wild boar. Do you think you would want anything like chaffing in the "nether regions" distracting you from the kill? And do you think the cave men coming home empty handed, hungry and begging to share food are getting to bump nasties (literally) later that evening? Of course not. Same works for under your arms, and even your body hair could protect you from twigs and branches. I think it is an evolutionary characteristc that is being phased out. We no longer need this protection and thus we are losing body hair. The fact that body hair is still considered a "manly" trait by many women I think is instinctual, but too much body hair being a turn off is most likley a social influence. I'm too lazy to google this and see if anyone thought of this yet, so what do you guys think?
10/20/2009 08:33:02 PM ChrisNella
Ah, I find it humorous when people get all bent out of shape about Cracked's information. Everyone seems to forget rather quickly that this is a comedy site. Whatever facts they use, they've done it for the giggles.
10/20/2009 07:59:28 PM Kyo
The baby on the pubic hair f**king hurt. A lot.
10/20/2009 07:43:29 PM meofcourse
The baby on the pubic hair f**king hurt. A lot.
10/20/2009 07:42:58 PM meofcourse
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http://www.cracked.com/article/161...
Showing 3 Replies
  • Reply #1 10/23/09  3:36pm
    It made me yawn..... :'O
  • Reply #2 10/23/09  10:21pm
    sorry--giggles
  • Reply #3 11/26/09  9:35am
    YAWN!! Very educational - gosh- i thought i knew it all!! LOL! SO guess gotta do somemore reading!! if i could only stay awake!(always wondered where that hair came from) guess we r never in the raw- hu???

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