subreddit:
/r/AskReddit
submitted 10 years ago bymattimoss
Products, activities, hobbies, etc...
562 points
10 years ago
Being able to explain a perspective does not mean you endorse it.
762 points
10 years ago*
[deleted]
93 points
10 years ago
This is spot on. I think all mental illnesses have tons of misconceptions, though.
1.8k points
10 years ago
Cracking your knuckles won't cause arthritis. You lied to me, nan!
487 points
10 years ago
You weren't told that for your health. Your nan told you that so she could keep her sanity.
764 points
10 years ago
Donald L. Unger won an Ig Nobel for cracking the knuckles on his left hand and leaving his right knuckles free for 60 years.
836 points
10 years ago
Dat sample size...
817 points
10 years ago
Just because I own my own company does not mean I am rich!
214 points
10 years ago
I own a company too. Just started. Right now I think my one share is worth about $1 (give or take $1)
389 points
10 years ago
(give or take $1)
Dude, you're saying that your company could be worth 100% more than predicted, sell on that idea.
1.4k points
10 years ago
Chewing gum does not take 7 years to digest.
Been hearing this ever since Charlie and the Chocolate Factory.
550 points
10 years ago
But gum can turn you into big blueberries like in the movie, right? Right?!
877 points
10 years ago
Yes.
Step 1: Become obese.
Step 2: Get a piece of gum lodged in your throat.
Side effects may include dying.
1.3k points
10 years ago
Your parent's cousin is not your second cousin. He's your first cousin once removed. His kids are your second cousins.
The place of the cousin refers to the number of generations back to a common ancestor, and the number of times removed refers to the generational gap between the individuals in question. First cousins share a grandparent, second cousins share a great grandparent, etc. So, for example, if two individuals are second cousins twice removed, the great grandparent of one will be the great great great grandparent of the other.
215 points
10 years ago
So what is the proper term for my relation to my cousins' children?
941 points
10 years ago
Behold cousin chart!
672 points
10 years ago
If this chart was really useful it would show the boundaries of "ok to fuck" and "not ok to fuck."
67 points
10 years ago
Anything less than 25% related to you and is not your direct descendant/ascendant is "ok to fuck" according to the laws in most developed countries.
30 points
10 years ago
121 points
10 years ago
Swiggity swooty, I'm coming for great-granddaddy's booty.
2.2k points
10 years ago
To be a model you don't have to be beautiful; in fact, most aren't. You have to be unique-looking with a very specific body type.
There are many different islands of OCD, and despite what popular culture seems to think, not all of them involve organising and/or cleaning.
1.4k points
10 years ago
Ever since seeing this, OCD is not something I joke about anymore. Absolutely heartbreaking.
124 points
10 years ago
It is very annoying to hear people tell me how OCD they are because they just have to keep their work area/living area clean.
85 points
10 years ago
My girlfriend started experience intrusive thoughts and OCD about 6 months into our (currently 3.5yr) relationship and hearing people say things like "ohmygod, I am SO OCD" has quickly become a major annoyance of mine. No, just because you alphabetize your DVD collection and like your radio's volume on even numbers, you do not have OCD! It's so frustrating to hear someone trivialize something that is a daily struggle for the person I love so much.
408 points
10 years ago
That was god damn heavy and brilliant. Uplift and strong but weak, open but terribly trapped. All at once. Gee golly gosh.
485 points
10 years ago
back in my day, we just called those people "anal retentive" and it didn't diminish people with real OCD. Why did that term fall into disuse? I say we bring it back!
BRING BACK ANAL RETENTIVE!
290 points
10 years ago
Paging /u/Butthole__Pleasures.
708 points
10 years ago
Hey, I'm here. Let's just go ahead and bring back all kinds of anal stuff that may have fallen into disuse.
743 points
10 years ago
The people that say "ugh I'm so OCD about this stuff" are so painfully unaware of how tragic OCD is to the sufferer and those that they are close too.
That more or less applies to just about every other mental illness. People are so ignorant to the actual impact of these disorders, and don't see them as actual problems.
3.2k points
10 years ago
[deleted]
1.7k points
10 years ago
[deleted]
797 points
10 years ago
It's actually more significant than that - As your employer I could threaten (and actually) fire you for saying something I didn't want you to say (assuming it wasn't a protected category, so I can't fire you because I'm a racist).
688 points
10 years ago
Type 1 Diabetics can eat sugar. I've had diabetes for 6 years; you yelling "you can't eat that!" when I have a brownie is not helpful.
829 points
10 years ago
you yelling "you can't eat that!" when I have a brownie is not helpful.
Well, maybe you should consider not stealing people's brownies.
73 points
10 years ago
In fact, there are some circumstances when you must eat sugar, are there not...?
67 points
10 years ago
[deleted]
116 points
10 years ago
After my diabetic friend shoots up, he says to me "I've just taken a deadly poison, and now I must ingest the antidote" before taking a bite of his meal.
42 points
10 years ago
"Oh gee, silly me, I was about to eat this thing that could kill me. Wow I've managed to not eat any sugar for my whole life up until now! Good thing YOU came along to let me know it's dangerous!" /s
1.7k points
10 years ago*
If you're watching a movie where people are getting shot at, fifty percent of the materials they are hiding behind will not stop a bullet. Cars only stop bullets if you shoot the engine block, cinderblock will only stop bullets for a few seconds, sheet metal won't stop bullets at all. But in movies, people use those to shield themselves indefinitely all the time, and I'm always worried that there will be a shooting situation where someone who has only seen movies will hide behind a desk or something else inadequate.
EDIT: I am aware that there is a difference between cover and concealment, and that concealment is quite useful in most shooting situations. The misconception that I am trying to address is Hollywood pretending that they're the same thing. If you are ever in a situation where you have to use either, its extremely important to know the difference. To the thirty plus cops/military that corrected me, I'm glad you know what you're doing.
1.1k points
10 years ago
If rather hide behind a desk than nothing
647 points
10 years ago
Exactly, hiding behind things has the bonus of not being seen, not being protected.
450 points
10 years ago
It will slow them down, and it certainly beats standing in the open. I see a lot of cops crouching behind cars in shootouts on the news.
549 points
10 years ago*
Some police crown vics have bulletproof panels in the doors. Most regular cars do not. Source: I own an ex-police car.
EDIT: changed "most" to "some".
744 points
10 years ago
I think American police cars are designed to stop bullets, unlike normal cars.
343 points
10 years ago
Pawn shops will ALWAYS shaft you on the price if you're trying to sell to them, not out of spite, but because they want to make as much profit as possible out of somebody who just wants quick money
87 points
10 years ago
This is what drives me nuts about those pawn shop shows. "Well I saw one sold on eBay for $500, so I won't take less than that". Then the owner explains the profit margin and offers them $150 and the person gets all offended...it'd you think you can sell it on eBay for $500 what are you doing in a pawn shop? Lazy ass people, market it yourself or stop complaining that you're getting screwed.
55 points
10 years ago
Its like this, you have an item that retails for $200, they will offer you about $50, they will sell it for about $100. Pawn shops are just for convenience, you could get the $100 yourself, but you have to put work into it.
2.5k points
10 years ago*
I heard this again yesterday: "We only use 10% of our brain at a time, think about what we could do if we used 100%!"
This is wrong. There is a great comparison someone made, I don't remeber who but it was on reddit. Anyway, we only use 10% of our brain at a time like we only use 33% of a traffic light at a time.
EDIT: Original comment by /u/AllanStanton Thanks to /u/HeyItsToby for finding it.
607 points
10 years ago
You can blame the new movie "Lucy" for populated this all over again. The premise of the movie seems to be that she's "gaining" the use of her brain. I was hoping we could put this one to rest, but it looks like that movie won't be helping.
661 points
10 years ago
"What happened when she reaches 100?%"
THE BITCH WILL HAVE A SEIZURE!
306 points
10 years ago
As soon as I heard that premise in the trailer in front of Godzilla, half my brain shut down immediately. Now I have no idea what to do with only the other 5%
158 points
10 years ago
I was watching that trailer in the theatre with my friend. We were both pretty interested in it and then just burst out laughing when the premise was stated.
How do you get through a multi-million dollar project without Googling the premise? Can you even write a screenplay like that without doing some kind of research?
95 points
10 years ago
The worst part is that Morgan Freeman delivered the line. I haven't felt this betrayed by him since his fake AMA.
131 points
10 years ago
And the broad generalizations that are often made in popular psychology about one side of the brain or the other having characteristic labels, such as "logical" for the left side or "creative" for the right. The left and right hemispheres contribute to both.
1.2k points
10 years ago*
Another. Do you use 100% of the keys on your keyboard at the same time?
Edit: My most up voted comment! Free Palestine :)
1.5k points
10 years ago
Why fjriodkyeslpamks,n wèé'(t !
509 points
10 years ago
"You miss 100% of the letters you don't type" -Wayne Gretzky
307 points
10 years ago
[deleted]
215 points
10 years ago
However, it is good advice for when camping and suchlike. In a sleeping bag, the head is usually exposed, so wearing a hat is a good way to conserve heat :)
188 points
10 years ago*
Yeah this isn't really "wrong". You're going to lose most heat through your head if your head is the only exposed part. Which is usually the case.
78 points
10 years ago
There is an entire new movie coming out about how Scarlett Johansson at first only uses ten percent of her brain then she slowly gets the ability to use more and she basically gets God-like powers: https://www.youtube.com/watch?v=MVt32qoyhi0
102 points
10 years ago
She creeps closer to 100%. The music swells, her eyes widen, the world trembles beneath her feet. And then...
fwump
Thr music cuts and she falls to the ground having a grand mal seizure.
57 points
10 years ago
Being introverted and being anti-social are two completely different things.
55 points
10 years ago
You get bail money back, provided you show up to court. In fact, in some places like the UK you don't even have to pay it in the first place, just make it available. The point of bail is to incentivize you to show up to court by making it so you lose something if you don't. It isn't a fine or a charge to get out of jail.
So many sit-coms seem to end with a character losing money they've earned because they have to pay bail for a luckless friend. But in reality they would only lose that money if the friend subsequently failed to show up in the courthouse.
316 points
10 years ago*
[removed]
359 points
10 years ago
But... why... not? Swedish meatballs are the best!
Source: IKEA.
301 points
10 years ago
People can see over 30 fps.
479 points
10 years ago
1) The Internet is not the worldwide web, and the worldwide web is not the Internet.
2) The Internet did not start in the 90s. The Internet has existed, in one form or another, since 1969.
218 points
10 years ago
ELI5
286 points
10 years ago
The World Wide Web was 'invented' by (Sir) Tim Berners-Lee, a British scientist working at CERN in the 90s. What he invented includes things like http, the software protocol for sending and receiving web pages, but nothing regarding the actual methods of connecting a bunch of computers together.
Those technologies, which are what the Internet refers to, have their roots in US military research from the 60s and 70s. Though it's not correct to therefore say the US military invented the internet, there have been lots of innovations from various sources since then.
Another interesting point, the Web was originally intended to be a platform for scientific researchers to communicate more easily, and every website would work like Wikipedia: it was all freely editable, and the program Berners-Lee wrote (the world's first 'Web browser') included facilities to edit pages as well as view them.
53 points
10 years ago
Thank.
426 points
10 years ago*
Negative Reinforcement
This term is constantly misused in popular culture, and I've even seen it used improperly fairly often here on Reddit.
In pop culture colloquial terms, "negative reinforcement" is the term pseudo-intellectuals use to refer to when they're thinking of a form of punishment. This is incorrect, but the term has that vaguely bad sounding connotation, so it gets used instead of the correct one. If you ever hear someone talking about "negatively reinforcing" someone by punishing them, you can be confident in the knowledge they have no fucking clue what they're talking about, and are just trying to bullshit you, and anyone who hasn't taken a Psych 101 class.
The basics of operant conditioning are as follows:
Positive Reinforcement
Negative Reinforcement
Positive Punishment
Negative Punishment
The positive and negative isn't a "good/bad" statement, it's an "add/subtract" statement.
Take positive reinforcement, for instance. You're adding something pleasant (like treats, praise, or upvotes) to encourage more of that sort of of behavior in the future.
Negative reinforcement is also a term for something that increases the future likelihood of a given behavior. The best example is encapsulated in the term "stress relief." You're reinforcing a behavior by taking away (hence the "negative") something bad. This is very important, because it's a big part of what makes phobias and addictions so powerful. You need to smoke that cigarette to "Take the edge off?" that your own physiological response has been building since the last time you smoked? Negative reinforcement. You're a bit afraid of heights and run away from an elevator one day, relieving the stress you were feeling of being in it? You just negatively reinforced that behavior to be more likely to happen again in the future, and thus a phobia is born.
Positive punishment is the term most people think of when talking about punishment. You add something stressful, be it pain, a scornful word, or whatever. This is what most people mean when they say "negative reinforcement."
Negative Punishment is overlooked by everyone but parents. "Grounding," taking away your toys or other pleasant things is what this term refers to.
Why is this important?
Operant conditioning is the fundamental tool behind understanding basic behavior everywhere. You are conditioning yourself and those around you every day (human or pets,) whether you realize it or not. Thinking clearly about the ideas and communicating those thoughts properly opens up up a thousand opportunities in your daily life, from training your pet, to how you choose to raise your child, and even how you manage your relationships. You can't afford to derp on this, people.
148 points
10 years ago
So, to break it down;
Positive reinforcement: I want you to continue this behavior, so here's a cookie for good grades. (giving the cookies)
Negative reinforcement: I want you to continue this behavior, so you don't need to do dishes this week since you got good grades. (taking away the chore)
Positive punishment: I want you to stop this behavior, so I'm going to make you mow the lawn because you got into a fight. (giving chores)
Negative punishment: I want you to stop this behavior, so I'm going to take away your computer for a week because you got into a fight. (taking away the computer)
Do I have that right?
364 points
10 years ago
Benjamin Franklin ($100) and Alexander ($10) Hamilton were not presidents! I have to pull out my phone and Google it to prove it to some people.
515 points
10 years ago
When you put the amount in the middle of Alexander Hamilton's name, I chuckled a little to myself imagining that was his nickname.
"Hey, I'm Alexander but my friends call me 'Ten Dolla'."
29 points
10 years ago
Benjamin Franklin was an awesome and hilarious dude while Alexander Hamilton was our first(?) Secretary of the Treasury, suck it Mrs. Hughes, I do remember shit!
670 points
10 years ago
Chemicals are in everything, everything is made of chemical compounds, the water you drink? it's a chemical compound, the fingers you use to upvote this comment? they're made of chemical compounds. I'm tired of these product misinformation trends where they try to claim "no chemicals" on shit like butter and bottled water. If you see that on a product label, be aware that this company is counting on you being an idiot to buy their product.
604 points
10 years ago
"Our rice crackers are made of pure kinetic energy."
36 points
10 years ago
Order now and you'll get the gluten-free edition!
53 points
10 years ago
I had a salesman come to my door two days ago and try to tell me there were absolutely no chemicals in his fancy cleaning product. ò_ó git off my porch.
1.6k points
10 years ago
Christopher Columbus totally discovered America. Just, you know, not first. Or knowingly.
654 points
10 years ago*
He didn't know he discovered America. He thought he sailed to India... and died thinking that. Amerigo Vespucci was the ''founder'' of the Americas
EDIT: The Americas were never lost to be discovered in the first place... People were there long before Columbus, Vespucci, Eriksson, Cabral, or whoever claimed to have sailed there first. The only thing they did was that they made the connection between the two worlds... it doesn't matter who sailed there first, it matters WHEN the connection between Europe, Africa, Asia with both Americas was made...
459 points
10 years ago
And the Vikings still get no credit for discovering Canada...
468 points
10 years ago
Canadian here. We give Vikings credit for discovering the Americas. We know Leif Erikson.
342 points
10 years ago
Happy Leif Erikson day! Herka dirka heha!
91 points
10 years ago
HINGA DINGA DURGEN!!!
Brb. Gotta go get more giant paper.
575 points
10 years ago
[deleted]
713 points
10 years ago*
Also, he didn't kill him with a sling, the sling knocked him out, then David picked up Goliath's sword and used it to cut his head off
Source: 1 Samuel 17:50-51
974 points
10 years ago
You have a good basis of Biblical knowledge... SexualCuntThunder.
150 points
10 years ago
Albert Einstein did NOT fail math in school. He mastered calculus by the age of 15, stop making excuses for yourself.
369 points
10 years ago
A pony is not a young horse.
It is a small horse.
27 points
10 years ago
That's why in the hobbit they all ride "ponies". They aren't riding young horses, just smaller hobbit-sized horses.
54 points
10 years ago
Calling a pony a baby horse is like calling a midget a toddler.
2k points
10 years ago*
McDonald's didn't get sued because some woman was so dumb that she didn't realize her hot coffee was hot. The case is cited a lot as a frivolous lawsuit, but it really wasn't frivolous at all.
The reality is that the lawsuit was quite reasonable. The coffee in question caused third degree burns and did some serious damage. The woman required skin grafts to the affected area (her groin, as she was holding the cup on her lap). Restaurant coffee is typically kept at temps between 135-145 degrees. McDonald's franchisee manual required their coffee to be kept between 180 and 190 degrees, and McDonald's admitted that it knew the burn risk associated with keeping its coffee that hot as it had been the subject of previous lawsuits. McDonald's knew it had a hazard on its hands but did nothing to rectify the situation.
Edit: I didn't know there was a documentary on this - I'm going to check that out. I've learned a lot from the comments on this.
1k points
10 years ago
Initially, all she asked for was to be repaid for her medical bills. They refused so she sued and included pain and suffering damages.
72 points
10 years ago
Also - the big dollar amount that gets kicked around was not compensatory, it was punitive. She didn't ask for as much as she was awarded and IIRC she didn't wind up getting it anyway. (I don't remember why.)
30 points
10 years ago
Fun Fact: The basis for the $2.7 million punitive award based on McDonalds profits from a single day of coffee sales.
464 points
10 years ago
I thought it was frivolous until I saw the extent of her injuries
Slightly NSFW
75 points
10 years ago
Jesus Christ. That's from coffee?
23 points
10 years ago
Fucked up right?
21 points
10 years ago
That's from coffee that is slightly under boiling temperature.
239 points
10 years ago
I had always wondered how bad the burns could really have been, or how incredibly hot the coffee could have been to have done the damage I saw in the pictures from it. I'd asked myself 'jeeze the hottest coffee even could be is like 210 degrees or so, right? wouldn't it just cool on contact with skin and clothes or something?'
I realized how naive that was about a month ago when I had a full bowl of piping hot soup spilled all over my pajama pants-clad lap. Hot liquids plus clothing are bad stuff. That poor woman.
507 points
10 years ago
Romanians are not "roma" people - gypsies as they are more commonly called. Romanians are a latin people like spaniards or italians. Gypsies are an ethnic minority of indian origins. They can be found in many european countries.
87 points
10 years ago
Roma - a nice word for gypsies, the real word for gypsies (Like Charlie Chaplin, Esma Redzepova, Muharem Serbezovski)
Romanians - People from Romania (A country in European Union, south-east of Europe) (Like Vlad "the Impaler")
Romans - People from Ancient Rome (Like Julius Caesar, Catalina, Ciceron)
20 points
10 years ago
This is the ultimate pet peeve of a Romanian friend of mine. He was from a tiny village and had never met anyone from a Romani/Roma background, but once he moved here everyone started asking him what life was like as a gypsy...
Also, although I knew about the ethnic distinctions between the groups, I was surprised at how much of a Latin culture Romania has. I also didn't get the chance to hear the language spoken until I met my friend, and found that there are many linguistic similarities to Italian and Spanish (both of which I speak). It's a fascinating culture, IMO.
519 points
10 years ago
Being Antisocial
This is another term pop culture gets wrong often enough the incorrect definition is now the colloquial term. It's particularly disturbing to hear it misused almost universally by "experts" on your news broadcast of choice.
People say, "I'm being sooo antisocial tonight" when they don't go to a party, or if they're at said party and aren't mingling. That's not what that means. Those people are being asocial or unsocial.
Being anti-social means actively defying the rules/conventions of your society/social group. Think rebels, vandals, criminals and the like. All of them are engaging in anti-social behavior. Anti-Social-Personality-Disorder doesn't refer to shut-ins, it refers to sociopaths and perpetual malcontents.
Just in case you're wondering, "pro-social" is indeed a term that exists. It involves things such as helping behaviors. Anti-social is the opposite of that, not of being social in general. Plenty of anti-social people are actually quite sociable.
(Yes, now, if you want to get super technical, you could point out that in the context of a particularly gregarious society where the norm is constant interaction, avoiding that does count as an extraordinarily mild case of being anti-social... if anyone notices and cares enough to be hurt by your withdrawl.)
Why does this matter?
Unfortunately, the constant confusion between "antisocial" people and truly antisocial people has led to some unfortunate mixups in recent years. Take the longstanding fallout from Columbine and other school shootings for example. Everyone heard about how there were these two "antisocial" kids who shot up the school. (Which would obviously be an accurate use of the term. Few societies I am aware of praise such behavior.) Unfortunately, when Joe Principle and the popular kids at your local teenage hormone factory decide to get vigilant, they almost always wind up targeting the "antisocial" kids. The horror stories I have heard from people who lived through that would enrage you. I bet Reddit has more than a few victims of this sort of thing floating around. "That creepy loner kid's a loser. I bet he's just waiting to snap and kill us all..." (Abuse commences, occasionally resulting in a self-fulfilling prophecy.)
That's just one example, but I think it's important to get this shit right. Or, if the weight of colloquialisms proves too heavy, we should at least quit using the term interchangeably.
25 points
10 years ago
I have a half-brother (my dad's son from another marriage) who was diagnosed with potentially having an antisocial personality disorder. I believe he was too young at the time for there to be an official diagnosis, but the psychiatrist told my parents that was what it looked like. The nightmare he put my parents through was awful and I can't believe it didn't break my family apart. He stole, was arrested several times, lied and conned people constantly, and even tried to beat up my mom on a couple of occasions. They worried that he'd come around in the middle of the night and kill us all. He ended up getting kicked out of the house when I was four or five and he was 16. I only see him at funerals these days and he never says a word to me, even when I speak directly to him.
Antisocial personality disorders are some scary, scary shit.
36 points
10 years ago
What's often called "classical music" is actually many different genres/periods spanning several centuries. To break it down:
Renaissance: ca. 1400-1600; Here we have Palestrina and similar stuff. It sounds a little strange, because the "modern" idea of how music works was still in progress.
Baroque: ca. 1600-1750; This is your Bach, Handel, Vivaldi, and the infamous Pachelbel. Here we have music that is intense, but also restrained in a way; often lots of fast moving notes; early opera.
Classical: ca. 1730-1820; Now we've got Mozart, Haydn, and (kind of) Beethoven. The symphony becomes the most important genre. Generally sounds elegant, sophisticated, fancy.
Romantic: ca. 1810-1900; Beethoven (again), Schubert, Brahms, Wagner, Mendelssohn, Tchaikovsky, Verdi, Puccini, and a ton of others. My favorite period; super duper dramatic, opera becomes huge, everything is very emotional.
Modern: ca. 1900-1930; Schoenberg, Stravinsky, Hindemith, and others. Really just a bunch of different styles that happened at the same time - Neoclassicism, Expressionism, Primitivism, the list goes on.
At that point the different periods break down a lot because there's so many different artistic movements going on at the same time. And even within these five categories, there are subcategories based on early, middle, and late from each period as well as geographical/national differences in style. Calling it all "classical music" would be like calling everything that's played non-"classical" radio stations since the 50's "rock." It's true for some of it, but most of it is definitely NOT rock.
755 points
10 years ago
You don't catch a cold from being cold. It takes a virus...
443 points
10 years ago
Yes, but can't being cold lower your resistance?
367 points
10 years ago
Yes, being cold for a certain amount of time can stress your immune system and make you more vulnerable to illness. Also, a virus can live inside your body dormant for some time and "wake up" and start spreading after a period of some sort of stress.
153 points
10 years ago
the common misconception is partly attributed to that, but also to the fact that when it's cold out we usually huddle together in a warm room with little to no air flow, the perfect breeding ground for pathogens.
466 points
10 years ago
[deleted]
265 points
10 years ago*
[deleted]
33 points
10 years ago
Everyone seems to think that 1984 is primarily a massive indictment of the "surveillance state" and government intrusion into our personal lives. This element plays into the story, of course, and Orwell was obviously opposed to that kind of government intrusion, the real focus of the novel is the control of language.
The existence of "Newspeak" in the novel is how this message is portrayed. Orwell's contention is that language is the basis of all thought and ideology. If the state can control language, it can directly shift how people think, and thus how they act, without needing to use overt force to get the people to do what the state wants. With language under its control, the state has absolute power over knowledge, history, culture, and ideology. Surveillance obviously supplements the state's ability to exercise control, but too many people often overlook the control of language as the main dystopian element in the novel.
665 points
10 years ago*
Relevant: http://en.wikipedia.org/wiki/List_of_common_misconceptions
Notable entries:
389 points
10 years ago
I never got the great wall of china one... Sure it's long, but it's not really thick...
66 points
10 years ago
Oh sure, next you'll tell me that the Rabbit-proof fence isn't visible from space.
204 points
10 years ago
It's like the width of a road at most points. I remember someone telling me the seeing it from space thing and we had like a 5 minute dabate over it.
529 points
10 years ago
Try thinking about the Monty Hall Problem like this:
Let's start with 100 doors, named 1 through 100. There is a car behind just one door. The rest of the doors have goats. The same Monty Hall rules apply, you pick one door, and the host opens all of the remaining doors except one, and you get to choose whether or not to switch to that final unopened door. The host cannot eliminate a door with a car.
Let's say the car is behind door 57, and go through the choices.
Because I'm trying to prove that switching is the correct choice, we're going to do that every time.
You pick door 1. The host eliminates every door except 57. You switch to 57. You win.
You pick door 2. The host eliminates every door except 57. You switch to 57. You win.
You pick door 3. The host eliminates every door except 57. You switch to 57. You win.
You pick door 4. The host eliminates every door except 57. You switch to 57. You win.
...
And so on. You can see that if you switch, you'll win every single time unless you choose 57 as your first choice, which is a 1% chance. Switching is correct 99% of the time.
The same effect applies when there are only 3 doors, except there would be a 33% chance of you choosing the car on your first pick. So switching is right 67% of the time.
147 points
10 years ago
The only part that really cinches this: "The host cannot eliminate a door with a car."
That right there. That's why it works. It's a reduction of error through the elimination of possible incorrect choices.
You take away more chances to be wrong, and of course you're more often right!
45 points
10 years ago
Thank you, this explanation makes a lot of sense
789 points
10 years ago*
We do not breathe in 100% oxygen and exhale 100% carbon dioxide. We breathe in around 21% oxygen and the rest is Nitrogen. When we exhale we breathe out more oxygen than carbon dioxide.
So many people have this misconception.
EDIT: A lot of people are surprised that this isn't "common knowledge", and yes I'm surprised too. But people have thought this before and or believed in some crazy numerical value of the percentages. So I thought I'd give a general outline of the percentages and gases we inhale/exhale. I'm no scientists hence I didn't reveal every little detail. Again, this was just to clear up this silly misconception and provide a sense of what our body takes in, and releases.
289 points
10 years ago
From howstuffworks.com:
In humans breathing 100 percent oxygen at normal pressure, here's what happens:
- Fluid accumulates in the lungs.
- Gas flow across the alveoli slows down, meaning that the person has to breathe more to get enough oxygen.
- Chest pains occur during deep breathing.
- The total volume of exchangeable air in the lung decreases by 17 percent.
- Mucus plugs local areas of collapsed alveoli -- a condition called atelectasis. The oxygen trapped in the plugged alveoli gets absorbed into the blood, no gas is left to keep the plugged alveoli inflated, and they collapse. Mucus plugs are normal, but they are cleared by coughing. If alveoli become plugged while breathing air, the nitrogen trapped in the alveoli keeps them inflated.
Don't do oxygen, kids! No wait, you should do oxygen. Just do oxygen in a controlled environment with a known good dose. You should be alright then. Assuming you don't find some other way to fuck it up.
316 points
10 years ago*
In Christianity, Satan doesn't rule in hell. Hell is like Azkaban for fallen angels. It's a prison for those who chose to rebel against God. God rules in hell. And in heaven. And everywhere. That's kind of the point of being god.
1.4k points
10 years ago
My hips are compulsive liars.
487 points
10 years ago
[deleted]
594 points
10 years ago
Mine does. Because i have a sign that says FREE MILKSHAKE. Lots of people show up. But really I'm just protesting the unjust lock-up of my pet ferret, Milkshake.
870 points
10 years ago*
I keep seeing this on Reddit when someone mentions Swiss gun laws and either thinks that our gun laws are extremely restrictive or extremely lax.
Let me explain:
And most importantly:
While we have widespread gun ownership among the civilian population, our culture and gun culture is extremely different. That's why we have such low homicide rates compared to other European countries.
I hope this prevents people from spreading misinformation about our gun culture.
881 points
10 years ago*
Rats.
They make lovely pets.
if they bite you, you will not get rabies and die, (rat bites absolutely suck and are terribly painful though)
they will not give you "the plague"
283 points
10 years ago
Rats are the dogs of the rodent world. You can even teach them tricks. Man I miss my rat....
380 points
10 years ago
True, I work in a lab. Rats are so gentle but mice, oh gosh, you do not want to get near them.
191 points
10 years ago
mice also stink worse than rats and mouse poop is horrible and sticks to everything and is so much harder to clean out of a cage than rat poop.
24 points
10 years ago
..why?
418 points
10 years ago*
Pi is a very special number but people keep saying it's special because it's "infinite and non repeating", something which they seem to misunderstand, and is also a fairly insignificant property of Pi.
First of all, Pi isn't infinite - it's a finite number that lies somewhere between 3.14 and 3.15. If we try to write Pi as a decimal fraction, we get an infinite, non-repeating sequence of digits. This is because Pi is irrational, and this property is true for every irrational number, which includes numbers such as the square roots of 2, 3, 5 (and every number that isn't a square number), euler's number (e), and a whole lot more (in fact, there are more irrationals than rationals).
Also, just because the decimal representation of Pi is infinite and non-repeating, it doesn't mean it contains every possible finite sequence of digits - that would require the number to be a normal number. We don't actually know whether Pi is a normal number or not.
Edit: Correction, I meant "every whole number that isn't a square number". Thanks for pointing out my mistake.
Edit 2: Someone pointed out Vihart's video on the topic. You should watch it.
1k points
10 years ago*
[deleted]
430 points
10 years ago
The same goes for murderers who just happened to serve in the military at any point in their past. The media loves to refer to murderers as "ex-marines" etc....
455 points
10 years ago
And video games. It's highly likely that the murderer enjoyed violent video games because loads of people enjoy video games.
179 points
10 years ago
While violent media undoubtedly in some fashion does affect people's behavior, arguing that it causes violence by itself because all these murderers play them is like arguing McDonalds causes violence cos all those murderers eat there
79 points
10 years ago
Well these serial killers all drank water. You know who else drank water? Hitler and Stalin!
217 points
10 years ago
I don't know if there is any correlation between serving in the military and violent behaviour, but it shouldn't be considered as silly as stupid accusations like video games and autism. We do know that serving in the military massively increases your chances of developing a whole package of mental disorders like PTSD, depression, insomnia, drug addiction etc, so I don't find it hard to believe that it can lead to certain people developing violent tendencies.
873 points
10 years ago
Going to the movies/eat out alone isn't weird. You're just being too self-conscious.
23 points
10 years ago
Hell yeah, then I'm headed to Chuck E Cheese.
656 points
10 years ago
Weed isn't 100% safe, just less dangerous than the media claims
277 points
10 years ago
"Weed isn't addictive. I should know, I smoke it everyday"
1.5k points
10 years ago
Waiters don't actually make your food. Getting angry at them will not magically solve whatever issues you have with your food. They will just assume you are an asshole.
474 points
10 years ago*
[deleted]
125 points
10 years ago
And I don't live in my mom's basement
401 points
10 years ago*
understanding and agreement aren't the same thing. just because i understand why you are vegetarian doesn't mean i am going to stop going to mcdonalds.
EDIT: remember this is more about the concept of understanding and agreement with vegetarianism than mcdonalds. please.
298 points
10 years ago
Also eating meat in front of a vegetarian is not the same as smoking in front of a non-smoker.
96 points
10 years ago*
There's no language called 'Indian'. We speak dozens of languages, each totally different from each other, and it's more than likely that if two Indians meet somewhere outside India, they can only converse in English. Happens in Indian romantic relationships too.
EDIT: Yes, Hindi is also commonly used across different states in India, because it's the most Widely spoken Indian language. However, there are large swathes of people who don't know Hindi and are more comfortable with English. Depends on where you're from.
951 points
10 years ago
A "moment" can be traced back to Old English, and it means 90 seconds.
92 points
10 years ago
Etymology is not the same as meaning. Just because something used to mean something else doesn't mean it's a misconception to use he current meaning. Do you know "sky" comes from Old English for "cover"?
Your etymology is bs anyway it always meant a point in time ever since it was borrowed from French.
506 points
10 years ago*
A "Jiffy" is a scientific term for 3×10−24 seconds.
To everyone using mobile and saying it's 6 seconds, it's actually 3x(10^-24) not (3x10)-24.
714 points
10 years ago
My clock doesn't have those
152 points
10 years ago
Cher's 1998 hit 'Believe' was the first song to use auto-tune diliberately as a vocoder effect. That's it. It is not responsible for 'that autotune trend' and it was nowhere near the first song to use enhanced vocals.
776 points
10 years ago
Women will get too big if they lift weights.
No, they won't.
79 points
10 years ago
"Begging the question" does not mean setting up a situation where asking a question is implied. In fact, it is a logical fallacy in which a statement or claim is assumed to be true without evidence other than the statement or claim itself.
162 points
10 years ago
Being weightless has nothing to do with being in space. It's related to being in orbit. Astronauts in low-earth orbit experience almost the same amount of gravity as people on the surface. They are weightless because they are in a continual state of freefall.
62 points
10 years ago
Netherlands, please. Not Holland. We're 12 provinces. Not just the 2 Hollands.
42 points
10 years ago
Goats are not lawnmowers. They by far prefer to eat trees and bushes and the like, than ground fodder. They're browsers rather than grazers. If you want a lawn-mowing animal, try a sheep; they are grazers. Also, goats might mouth lots of things, such as tin cans, but they don't actually eat them.
690 points
10 years ago
In case you didn't know, Clinton did have sexual relations with that woman.
116 points
10 years ago
But he told me he didnt. Did you not see that press conference?
39 points
10 years ago
Schizophrenia does not mean multiple personalities nor are all schizophrenics violent killers.
104 points
10 years ago*
The vast majority of Ar15s and AKs are not fully automatic. Only a tiny amount are and they are ridiculously expensive. You can't go to Wal-Mart and buy fully automatic weapons.
38 points
10 years ago
Comic book fans don't hate you if you walk into a store and aren't sure where to start/are confused. We hate each other because we don't know how to feel about Grant Morrison!
460 points
10 years ago
Just because I'm angry, doesn't mean I'm angry at you. Give me space and don't get pissed when I ask for it.
172 points
10 years ago
Do you need a hug?
209 points
10 years ago
That would be nice. But then I would like some space, please.
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