A chemical substance with the chemical formula H₂O, and an important biological solvent.

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Shale gas and fracking, environment and water

In the Eastern European country of Lithuania and a lot of other countries in Europe, there is a lot of fuss about shale gas and fracking. Now, not everything is straight-forward or simple as it might ...
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0answers
168 views

Are we running out of drinking water so that we need to be frugal with it?

I’ve read in the news that a majority of earth’s population might run out of drinking water. As with many of these kind of predictions it’s difficult to judge the urgency and correctness of it ...
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1answer
163 views

Does warm water freeze faster than cool water? [duplicate]

I just happened to stumble across a phrase that says so, is it true? Here is the source: http://en.wikipedia.org/wiki/Mpemba_effect
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2answers
189 views

Does water therapy provide measurable benefits to childbirth?

I recently watched the trailer for The Business of Being Born, which included the following quote: "The presence of Doulas; using water during labor; these things have been scientifically shown to ...
12
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0answers
5k views

Does adding a dry towel to a load in the dryer make it dry faster?

Is there any truth to the claim the a dry towel can actually speed up the drying process? There are numerous different sources that I've heard claim this, here is one on voices.yahoo A few months ...
5
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2answers
498 views

Can a loudspeaker make water stream form a zig-zag flow?

If you watch this Amazing Water & Sound Experiment #2 YouTube video, you can see an amazing effect with water, a sinusoidal signal and a woofer. Is this a true effect due to vibration of the ...
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1answer
418 views

Does drinking water from plastic bottles contaminate your blood? [duplicate]

I wanted to know if there is any research on the issue Daniel Vitalis raises on bottling water here (5th minute and on). He claims that if one drinks water bottled in plastic bottles one will ...
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0answers
227 views

Does “hard water” cause eczema?

Hard water is drinking water that is high in minerals. According to Wikipedia The World Health Organization says that "there does not appear to be any convincing evidence that water hardness ...
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0answers
353 views

Does drinking water help heal sickness? [closed]

Be sure to drink plenty of water! This is a phrase most of us have heard when visiting the doctor. The implication is drinking enough water will help us recover from whatever sickness we have. ...
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1answer
373 views

Is sea water suitable for human consumption?

Some relatives of mine think that drinking sea water is good for health, but I highly doubt it. They claim that drinking small amounts of sea water daily helps people to be healthier (reference ...
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1answer
7k views

Did the Nazis maliciously fluoridate drinking water?

Firstly, I think this is a stupid unbelievable question. However, for the sake of getting on S.SE, is there any evidence to for the Nazis using fluoride maliciously for example, to make prisoners more ...
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1answer
441 views

Does human water consumption have an environmental impact? [closed]

Fresh water consumption is often mentioned as an important factor of environmental concerns. It is in particular accused of emptying lakes and rivers. Many household habits are advised to conserve ...
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1answer
823 views

Does the QNET Amezcua Bio Disc work?

Is the Bio Disc medically effective? The product description says Bio Disc is able to redefine and harmonise the energy of water, greatly maximising its positive affect on the human body ...
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0answers
106 views

Does drinking cold soup help our body to absorb faster? [closed]

According to this article, it mention that Cold water empties faster from the stomach and is therefore absorbed faster. So, does drinking cold soup help our body to absorb better since cold soup ...
5
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2answers
1k views

Does drinking cold water help to reduce weight?

According to this article, it was mentioned: there may be advantages in drinking cold water for weight loss So, does drinking cold water really help to reduce weight? and does drinking warm water ...
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1answer
3k views

Does Disney have the third largest navy in the world?

Does Disney really have the world's third/fourth/fifth/sixth/seventh largest "navy"? I've often seen this claim being bandied about on trivia sites and the like. But there are never any credible ...
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1answer
719 views

Can one save up to $160 a year by peeing in the shower?

Ok, this claim just came across Facebook -- that one can save $160USD by peeing in the shower. Certainly, peeing in the shower is both more green and will in fact save water, especially if you let the ...
16
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2answers
5k views

Has 99% of the western continental Europe banned water fluoridation?

I keep seeing this claim about the unpopularity of water fluoridation parroted. Despite dental pressure, 99% of western continental Europe has rejected, banned, or stopped fluoridation due to ...
7
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0answers
447 views

Does taking a shower when dehydrated increase body weight?

For sports (such as wrestling, MMA, judo, etc) where the competition is divided into weight divisions, it's common to drop cut 10+ lbs of water weight hours before weigh ins and then rehydrate right ...
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2answers
2k views

Can you breathe underwater using bubbles of air?

A very popular videogame character, which is famous for his sonic speed, is depicted breathing underwater by using air bubbles. Now since I've never heard anyone complaining about this, despite the ...
8
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0answers
955 views

Does drinking while eating impair digestion?

I have read many blogs and forums that either say eating and drinking at the same time is safe, good for you or bad for you. No sources are ever cited on any of the sites. Does research exist to ...
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0answers
95 views

How dangerous is it to be in a small watercraft when thunder is heard? [closed]

Recently, I was about to go boating and I heard thunder so I didn't. At the time, though, I saw that the storm head was passing about 20 miles to the West of us and there were only a few, dispersed ...
2
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1answer
343 views

Will individuals respond differently to homeopathic remedies prepared with unboiled vs. boiled water?

Related: Does water have a memory as claimed in homeopathy? I recently watched a debate between Ben Goldacre and Peter Fischer on homeopathy. During the course of the debate, an audience member ...
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2answers
2k views

Does Pureit Polisher remove the chlorine from chlorinated water?

This purifier claims to produce 100% pure water. They use chlorine. Chlorine, when taken in for a long period, is bad for health. http://www.pureitwater.com/IN/4stage-purification Polisher ...
4
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1answer
829 views

Can activated alkaline water cure diabetes?

This article about activated alkaline water (I'm sorry, it's in German, but I couldn't find an English version by the same claimants) claims that drinking this water aids therapy of both Type 1 and ...
7
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1answer
261 views

Can an on-the-fly water electrolyzer linked to the air intake improve fuel efficiency of a gasoline engine?

This article initially seems to investigate so-called water powered cars. The final few paragraphs of the article however branches off into discussion about a system where (as I understand it): A ...
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3answers
2k views

Is there any reason to use cold water over hot water for boiling?

I was always told that boiling cold water in a pot is better for you then boiling warm or hot water (from the sink). Is there any truth to this statement?
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0answers
986 views

Is a cold shower good for you? (Less hair loss, better health, refreshing, etc.?)

I just read that a cold shower is good for you, and (specifically) that it helps decrease hair loss. Cold showers provide a gentle form of stress that leads to thermogenesis (internal generation ...
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1answer
529 views

Are inorganic materials in mineral water harmful?

After reading this article about if we even get our minerals from water, it ends with a feeling that drinking mineral water is actually unhealthy for you because it contains inorganic minerals that ...
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2answers
539 views

Is bottled water more contaminated than tap water?

According to some NPO's such as the Australian Centre for Independent Journalism and the Environmental Working Group: Bottled water is constantly promoted as pure and natural, but research by ...
11
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1answer
10k views

Are there any benefits to drinking 1.5 liters of water first thing in the morning (water therapy)?

I'm not sure the origin of this "water therapy", but I've seen various websites that claim that drinking 1.5 liters of water right when you wake up is great for your body/mind, heals all diseases, ...
18
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1answer
21k views

Is there a place in the world where two oceans meet and they don't mix?

This picture is currently being spread virally: Some Muslims were saying that this is mentioned in the Quran where it is said: He has set free the two seas meeting together. There is a barrier ...
4
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0answers
439 views

Does sharing a shower use less water? [closed]

From what I found on the Internet, a brief shower is more water efficient than a bath. I was wondering if there is any research about water use with more than one person using a shower? My gut ...
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2answers
1k views

Is water fluoridation harmful?

There’s a controversy going around whether the benefits of water fluoridation outweigh the potential harms. What is the evidence for the harm this may cause and what evidence supports the health ...
11
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1answer
392 views

Do excreted oral contraceptive compounds in drinking water contribute to male infertility?

I've run across several claims about oral contraceptives ("the pill") and how the residuals that enter municipal water supplies via urination cannot be filtered out and may have detrimental effects on ...
19
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1answer
7k views

Do laws exist that say restaurants must serve customers who request tap water?

My mother claimed the other day that it is a "state law" that any restaurant must serve customers tap water upon request, therefore not requiring customers to buy a (flavored) drink or (overpriced) ...
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2answers
465 views

Does drinking water prevent dehydration?

The UK newspaper the Daily Telegraph has reported that the European Union won't permit claims that drinking water will prevent dehydration, saying that there's no evidence supporting the claim. Is ...
21
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1answer
2k views

Should we drink water before we feel thirsty?

The claim is that we should be drinking water routinely to the point that we never feel thirsty, and that to not be doing so is to our detriment, at least enough for the notion to be popular amongst ...
5
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2answers
329 views

Is tap water unsafe to drink even when it comes from a clean water supply?

My city provides safe, clean water that is frequently tested. But I keep hearing that it's not actually safe to drink from the tap, because many houses have old or badly constructed pipes that contain ...
10
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2answers
3k views

Is it dangerous to mix boiled and unboiled water?

There is a popular belief in Russia that mixing boiled and unboiled water (say, adding cold unboiled water to a cup of tea to cool it) can be dangerous for one's health, even if it is safe to drink ...
17
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2answers
1k views

Are slick bicycle tires more slippery in the wet?

I always assumed slick (tread-less) tires were more prone to loss of traction in the wet. That is until I read this answer on the bicycles SE which claims that bicycle tires are too thin, round and ...
11
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2answers
2k views

Is chlorine in water absorbed quickly through the skin?

I recently saw a demonstration of a water filtration and purification system. In one of the demos two glasses were filled with tap water and then someone put three fingers into one of the glasses and ...
4
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1answer
883 views

Does drinking water (or Sports Drink) improve performance during sports activities?

I have been looking for some concrete study about the performance changes during sports when drinking water or a sports drink while doing the sport. Not after, not before. While, or during, if you ...
15
votes
1answer
2k views

Is it beneficial to drink alkaline water (aka Kangen water)?

At a friend's house the other day, some sort of contraption had appeared near the sink since the last time I had been there. It was a filtration-looking device with one input hose connected to the tap ...
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1answer
807 views

Should I make tea only with boiling water? [closed]

People in my family always wait until the water in the teapot is exactly boiling and only then make a tea. Is boiling water necessary or, say, 80℃ is perfectly OK to make a good tea?
12
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1answer
1k views

Do fruit/vegetable washes effectively remove pesticides?

Is there any evidence to suggest that commercially available fruit/vegetable washes can effectively remove pesticides from produce? Here are some example claims: Veggie Wash uses natural cleaners ...
11
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1answer
4k views

Do hot baths damage skin or nerves?

I like to take showers and baths hot enough to leave my skin pink when I come out. One of my friends has a much lower tolerance to hot water and has said that that soaking in hot water can damage the ...
6
votes
1answer
9k views

Do the water filters in Bobble water bottles work?

A retailer claims that Bobble water bottles: Filter your own bottled water with this unique and patented set of two Bobble Water Bottles. An active carbon filter eliminates toxins and harmful ...
11
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2answers
2k views

Does drinking distilled water remove needed minerals from your body?

Claim: Drinking distilled water can actually remove needed minerals from the body, due the lack of minerals in the water, and therefore do damage to the body. I have a hard time accepting this due ...
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0answers
316 views

Does drinking sparkling water lead to Osteoporosis? [duplicate]

Possible Duplicate: Does pop/soda pop cause Osteoporosis? According to several studies, drinking carbonated drinks elads to this. Osteoporosis According to "Nelson Textbook of ...

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