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122
votes
3answers
18k views

Do elevator manufacturers purposefully provide a door close button that doesn't work?

I've read the above factoid many times, but sources are conflicting as to whether or not its true; that is, some say there's a set timer on door openings and closings that can't be budged by pressing ...
35
votes
1answer
4k views

Does the Dvorak keyboard increase typing speed?

I've read somewhere, I can't seem to find it now, that in an experiment involving people learning to type, that the Dvorak keyboard didn't have a tangible typing speed benefit in comparison to the ...
23
votes
1answer
6k views

Do hotels omit the 13th floor?

(Image source) Triskaidekaphobia is the fear of the number 13. But do (western) hotels cater to this phobia by skipping/omitting the 13th floor? This USA Today article (2007) quotes J.W. Marriott ...
31
votes
2answers
2k views

Was Osama Bin Laden responsible for 9-11?

I know he admitted it or something in one of his earlier videos, but aside from that, do we have any actual solid evidence he ordered the September 11 attacks? Like if he hadn't of admitted it, and ...
9
votes
1answer
455 views

Does lean mass aid burning calories?

I recently watched a science video in which the presenter argues that having more lean mass aids burning more calories. The below is the summary of what she said: Having more lean mass means more ...
25
votes
2answers
1k views

Is Mother's Day an invention of florists?

I've just heard someone claim that Mother's Day was an invention of florists, with the aim of selling more flowers on that day. Is there any evidence that the flower-selling industry is responsible ...
6
votes
1answer
829 views

Was Osama Bin Laden Dead Since 2002?

http://www.youtube.com/watch?v=fpBPVkpmoeg&feature=related The above video claims that Osama was killed a while back, and that all the tapes released since then are fakes by the US Govt. Is there ...
3
votes
1answer
891 views

Can an ovulation calculator increase your likelihood of getting pregnant?

An ovulation calculator is something that apears on most pregnancy and baby sites on the internet. Searching for the term "ovulation calculator" on Google produces over 2 million results. This "tool"...
35
votes
3answers
3k views

Did car and oil companies actively try to suppress electric cars' development?

According to some (e.g. the documentary film Who Killed the Electric Car?), car and oil companies have actively tried to suppress electric cars' development. Electric cars seem to have technological ...
14
votes
1answer
662 views

Are there health benefits from traditional massage therapy?

I used to get a massage in China once in a while, but when I went for one here in the USA the place was full of homeopathy, mineral spays and other junk. It is almost enough to put me off the whole ...
24
votes
1answer
967 views

Is pain lessened by swearing?

Earlier today, during one of my many home improvement projects ("experiments" may be a more appropriate term) I struck my thumb with a hammer. Without thinking, I released a reflexive string of ...
15
votes
2answers
5k views

Does brain mass have any correlation to intelligence?

According to many (I cannot find a source at the moment), Albert Einstein's brain weighed less than average. It is a common belief that there is no correlation between brain mass and intelligence. Is ...
9
votes
4answers
841 views

Do toilets that require squatting reduce birth complications in women?

When I was travelling in France, I encountered toilets without toilet seats. Essentially they require the user to squat. I was told that as a result, French women had fewer birth complications. Is it ...
12
votes
1answer
22k views

Does drinking milk and orange juice together cause digestion problems?

I was once having a milky coffee at a cafe and I ordered an orange juice. The waiter told me that I should wait until I've finished my coffee, because drinking milk and orange juice together causes ...
18
votes
1answer
17k views

Did there use to be a law that made attempted suicide a capital offence punishable by hanging in Britain?

This one seem to be all over trivia lists, but I'm having trouble finding a reference to anything credible. The claim goes something like this: According to a British law passed in 1845, [attempted]...
22
votes
3answers
3k views

Do new loudspeakers require a “break-in” period?

Foreword I've lifted this from audio.stackexchange.com where it hasn't seen a lot of discussion. It's a question that interests me though so I thought I'd post it here, verbatim, and see what comes ...
14
votes
5answers
7k views

Does the theory of evolution contradict the second law of thermodynamics?

I was reading about the Law of Thermodynamics, and the Second Law of Thermodynamics really interested me because the Law apparently stated that in any isolated system, the entropy of that system will ...
12
votes
1answer
1k views

Subway magnetic fields and laptop hard drives

I just heard a story of a guy who took the subway to transport his company's off-site data back-ups for storage. When the time came for restore after a disaster, the data was corrupt and erased. ...
28
votes
1answer
3k views

Is smoking hookah safer than smoking cigarettes?

A couple of years ago, at a party, I was invited to partake in some hookah smoking by some friends. Going by memory, I remember the hookah being a ornate metal contraption that somehow "filtered" the ...
7
votes
1answer
565 views

Is there any reason behind oxygen-free cables?

...other than to make you spend more money, of course. Do oxygen free (99.999% or sometimes even more) cables have any plausible effect on an audio system? What about video systems, and even digital ...
8
votes
1answer
392 views

Are all HIV tests based on antibody analysis?

I heard the claim that all HIV tests are exclusively based on identification via antibodies. Supposedly, no HIV test that's used on patients works via sequencing the RNA of the virus. Do any AIDS ...
7
votes
2answers
7k views

Do Zerona laser treatments have any effect on fat reduction?

Zerona is a laser based non-invasive procedure that claims to reduce fat in targeted areas. They also appear to be FDA approved. However, I have seen claims that the FDA approval is not based on any ...
16
votes
1answer
5k views

Are people more likely to give honest responses to surveys when anonymous?

We obtain a great deal of data about trends in sensitive and personal topics through anonymous surveys. For example, in a science writing class I'm taking, the professor showed us results from an ...
12
votes
1answer
2k views

New Coke was a conspiracy to boost sales of Classic Coke

It is claimed that New Coke was a conspiracy to boost sales of Classic Coke. The company intentionally changed the formula, hoping consumers would be upset with the company, and demand the ...
87
votes
1answer
18k views

Is masturbation bad for one's health?

This question has probably been asked by almost everyone at some point in their lives. But the answers we receive vary from "it is very good" to "it is very bad". I can understand that becoming ...
29
votes
3answers
4k views

Do either men or women have higher pain tolerance than the other?

Traditional folklore suggests women have a higher pain tolerance than men. I have seen a few sites suggesting otherwise. Naturally, plenty of anecdotal accounts of wussy men or women get tossed around ...
38
votes
1answer
18k views

Is watching television in the dark harmful to your eyes?

This is obviously related to a few answered questions already here, namely: Does watching television damage the eyes? Is it harmful to your eyes to read in dim light? But the following question is ...
13
votes
1answer
419 views

Is the Amazon being cleared at the rate of X football fields a minute?

I've heard it mentioned in the media in different forms, the Amazon is being cleared at a phenomenal rate. Is there any factual evidence to support this claim? Here is an article from Greenpeace's ...
7
votes
1answer
1k views

New LED TV - Need Monster Cable HDMI for $$$ or do regular HDMI work just as well?

Went to Bestbuy. Bought an awesome tv... then the bestbuy rep tells you that the best of the best is the "Monster Cable" HDMI to connect the TV to my peripherals. I'm not a cable genius... but it ...
21
votes
2answers
747 views

Is Sprockit the robot an AI or a fake?

I just attended a local technical conference and there was a robot roaming the building, talking to people. His name was Sprockit, and he was talking with people. He saw a guy and said "Hey dude, ...
21
votes
2answers
12k views

Is water calcification bad for your health?

I have a friend, who adamantly believes that water calcification causes a number of problems, including poor health. He also said it made the water taste disgusting. He had recently installed a ...
16
votes
1answer
19k views

Who invented the chicken sandwich?

There's a US restaurant chain called Chick-Fil-A and their motto is "We didn't invent the chicken, just the chicken sandwich" If you dig deeper you find that they claim that what they really mean is ...
23
votes
4answers
2k views

Is the Pale Blue Dot smaller than a pixel?

The Earth in the famous Pale Blue Dot image (below) is claimed by NASA to be "0.12 pixel in size". How can something be visible on a digital screen which is smaller than a pixel (or sub-pixel, which ...
61
votes
3answers
7k views

Did Bill Gates say 640k ought to be enough for everyone?

This is a quite famous quote: 640k ought to be enough for anybody. Did Bill Gates say this?
11
votes
2answers
1k views

Are SSDs the best upgrade for the money to average user (and if so, in which circumstances?)

There are claims being made that SSDs (Solid State Drives) are one of (if not THE) best investments one can make as far as PC hardware upgrades. If someone wants a cite, just pick one of 3876 glowing ...
28
votes
1answer
90k views

Do ion bracelets work?

I recently came across a new kind of sports enhancement bracelet. Apparently it emits positive ions that are good for you. The bracelet is also a watch. There are credible scientific studies on ...
23
votes
1answer
2k views

Is cannabis a gateway drug?

gate·way drug noun A habit-forming drug that, while not itself addictive, may lead to the use of other addictive drugs Is there any evidence to suggest that people who try cannabis are more ...
40
votes
2answers
2k views

Is the music industry losing significant money because of piracy?

Is the music industry, and perhaps the entertainment industry, being ruined by piracy (or otherwise losing a substantial amount of money?) For example, the record label EMI has blamed piracy for the ...
44
votes
3answers
26k views

Is watering plants under a hot sun bad?

A couple of people have told me that it's a bad for plants to be watered in the middle of a sunny day, i.e. it's not just that you waste more water due to evaporation, but that there are actually bad ...
9
votes
1answer
552 views

How reliable is identification via DNA matching?

For example, how did they identify Osama bin Ladin? How can they identify with such confidence a DNA match? How can you compare DNA against a sister and determine that it is indeed Osama bin Ladin? ...
108
votes
2answers
29k views

Do expensive, “premium” speaker cables make a difference?

I was tempted to go drop $8500 on these awesome speaker cables so I could be like Whiplash (see customer pictures), but I'm curious, if I use them for my audio system, will they actually make a ...
4
votes
4answers
740 views

Do the military have the technology to trigger earthquakes?

When I was scholar at one class on "aircraft equipments" we also talked about weapons. The teacher mentioned that the military was developing weapons which were going to cause earthquakes. That was ...
42
votes
4answers
21k views

Do we lose most of our body heat through our heads?

If you didn't grow up in a tropical climate, you probably heard something like this as a child... Put on a hat before you go out because you lose the most heat through your head. Some say that ...
19
votes
3answers
4k views

Did Pope John Paul II perform a miracle?

The catholic church has very recently beatified late Pope John Paul II. As one of the requirements for this, the church required at least one miracle attributed to the candidate. In this case, a nun ...
24
votes
2answers
14k views

Would humans be more advanced if the Dark Ages never happened?

So there are a lot of people who say that the Dark Ages, lasting about 1,000 years, set humans back technologically. However, some say that since the Dark Ages really only affected Western Europe, ...
41
votes
1answer
4k views

Is refilling water bottles bad for you?

On a lot of bottles of so called mineral water, it is advised not to refill the bottle (with ordinary tap water, or any other drink e.g. cola) as doing so may present a health hazard. Is there any ...
5
votes
1answer
585 views

Does the Conservative Party of Canada have a ban on abortion in its platform?

It would either be an outright ban (outlawed) or a ban on the public funding part (health care being all public in Canada). But I'm just asking: is there such a thing in their platform?
8
votes
1answer
11k views

Is there a potential hazard daisy chaining extension leads

In the UK, electricians tell me that 'it is against regulations' to plug a 4 way extension lead into an existing 4 way extension lead. Is this a safety issue? Surely, if the first extension lead in ...
13
votes
2answers
7k views

Was John Maynard Keynes a child molester?

I was reading Conservapedia's article on John Maynard Keynes and pederasty: Keynes and his friends made numerous trips to the resorts surrounding the Mediterranean. At the resorts, little ...
110
votes
3answers
17k views

Is it possible to fly 4 helicopters anywhere in a country without official knowledge?

According to reports, there were 4 helicopters used in the raid on Osama Bin Laden. They apparently left from Ghazi. Is it conceivable that even one helicopter could be flown so close to the capital ...

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