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

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When someone's in a lake and lightning strikes the ground 100ft away what happens? [duplicate]

I was told if lightning strikes the ground surrounding a lake 100ft away, who ever is swimming in the lake will be electrocuted. I'm confused because I know if it strikes the water, you will not be ...
11
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0answers
340 views

Can magnets be used to clean laundry?

According to the Magnetic Laundry site, magnets can be used instead of detergent to clean laundry! For a "scientific" explanation, their video states: These magnets work at an atomic level to ...
3
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0answers
79 views

Is soap foam better for cleaning than soapy water? [closed]

Most people who wash something using soap (e.g. the dishes), seem to believe that the bubbles contribute a great deal in the actual cleaning. This is not something I explicitly saw written down ...
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1answer
596 views

Is urine the cause of redness of eyes (in swimming pools)?

According to abc13.com, Chlorine in swimming pools don't make your eyes red, it's the urine. Quoting from the article: One of the most shocking revelations the CDC shared was the truth behind ...
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0answers
73 views

Thoughts affect water? [duplicate]

I happened to come across the experiment conducted by Masuru Emoto in which he claims that thoughts affect water. He claims to have taken pictures under a microscope before and after applying mental ...
6
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0answers
118 views

Will storing plastic water containers on concrete cause contamination?

Several preppers make the claim that storing plastic containers with water on concrete floors is bad because chemicals from the floor can leak into the plastic and then end up in the water. Here are ...
6
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1answer
403 views

Do the plastic shade balls in Los Angeles leach chemicals into water?

An engineer with the Los Angeles Department of Water and Power claims that the plastic balls, which are introduced into the water reservoir in an attempt to combat the severe drought, don't leach any ...
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2answers
166 views

Water exploding upon microwaving [duplicate]

Many people believe that water can explode out of a container after being microwaved. Is this true?
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0answers
80 views

Has 98% of Europe banned water fluoridation? [duplicate]

I came across this gem on facebook today. It contains no sources, makes a bold claim with a numerical statistic to "back it up", and has been "shared" and "liked" thousands of times in the last ~48 ...
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0answers
44 views

Are there benefits to rinsing fruit in water? [duplicate]

Always been bought up to wash fruit in the sink. But as I'd just be rinsing in water I'd imagine I'd just be spreading around some base surface bacteria and not removing anything nasty anyway. Is it ...
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1answer
897 views

Does drinking coffee or tea dehydrate you?

It is widely claimed that despite being made mostly of water, drinking coffee or tea will actually dehydrate you, because the caffeine is a a diuretic. Here is an example from the SFGate news site ...
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3answers
889 views

Is water from a sink different from water from a water fountain?

I have heard (particularly but not exclusively from my friends who grew up in Asia, where the situation may be different) that you should not drink water from a sink in the bathroom. Why? They ...
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1answer
3k views

Has it ever rained fish?

There have been several reports of "raining fish" where fish fall from the sky (usually during a rain storm). An example such as this 2010 video from National Geographic seems unlikely at best. Has ...
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0answers
201 views

Do holes in pot lids make water boil faster? [closed]

The responses to this reddit post make me think that it is a popular belief that holes in pot lids make water boil faster. The claim is that by lowering pressure, the water boils at a lower ...
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2answers
539 views

Water swirl according to hemisphere: video

I'm aware of the previous answer to this question. But my question is concretely about this video. Is it fake? How?
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1answer
261 views

Does drinking hot water have positive health effects?

A related question (Does drinking warm or hot water aid in digestion?) asks about the effects of hot water on digestion. I recently came across an article that claimed a much larger set of benefits. ...
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1answer
3k views

Does one hamburger take more water to produce than 2 months worth of showering?

One hamburger requires 660 gallons of water to produce – the equivalent of 2 months’ worth of showers. Per http://www.cowspiracy.com/facts/ from Catanese, Christina. “Virtual Water, Real ...
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1answer
460 views

Does wetting your toothbrush have health effects?

Today I read a tweet from @Funny_Truth: "Don't wet your toothbrush after you put toothpaste. Water will reduce the healthy benefits of toothpaste." Is it true? If it is what does actually ...
7
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0answers
215 views

Do covered [drinking water] reservoirs cause health risks compared to open-air reservoirs?

Bull Run Waiver.org is a political group opposed to covering drinking water reservoirs in Portland, Oregon. They making a number of claims that closed reservoirs introduce greater health risks than ...
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0answers
194 views

Is reheated water less effective for skinning goats?

For the Hindu festival of Dashain, we strip the hair from a sacrificed goat with hot water. I was told that the water should be constantly heated. If it is allowed to cool before reheating, it ...
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0answers
5k views

Is rice water a good fertilizer?

When rice is washed, the wash water becomes whitish due to the starchy powder in the skin of unwashed rice. I've often heard or read, usually in water-saving, money-saving, or gardening tips, that the ...
10
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2answers
891 views

Does increasing water intake during a diet help with weight loss?

Just about any weight loss coach/program I've ever seen say that drinking a lot of water (exact amount vary) combined with a low-calorie diet helps with losing weight (compered to the diet alone) ...
5
votes
1answer
933 views

Does drinking water at certain times help digestion, prevent high-blood pressure, strokes and heart-attacks?

There is a poster in our breakroom at work that states this about drinking water: 2 glasses of water in the morning helps internal organs 1 glass before meal helps digestion 1 glass before ...
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1answer
7k views

Does drinking water after eating watermelon cause cholera?

This question is about a myth popular in India and Pakistan (as printed). The myth is that drinking water or milk after eating watermelon causes cholera. Have any experiments falsified/supported this ...
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1answer
340 views

Can freezing make water cleaner?

I have heard of the following procedure intended to make water cleaner: Put a pot of water in the freezer. After a few hours the water will be partly frozen. Discard the ice. Keep the liquid in the ...
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0answers
247 views

Is it actually beneficial to reduce water consumption? [closed]

Household appliances are getting more and more efficient at conserving water, and advertising claims that this helps conserve the environment. Some time ago, I've seen a documentary about a German ...
2
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1answer
227 views

Are snowflakes incapable of four-fold symmetry?

The following blog post says (emphasis added) Walking by our neighborhood’s great institution of learning this evening, I was pleased to see paper snowflakes in a window. Pleased, then ...
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0answers
94 views

Can a car run on water? As per this experiment [duplicate]

The Agha Waqar's car that ran on water was a great news for a long time. Where a Pakistan based inventor invented a car that got all the power from water. He was using a water kit to get the energy. ...
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1answer
6k views

Do water molecules change when you talk to them?

I've heard that saying something nice in front of water changes the water molecules shape into a nice shape and saying something bad in front of it makes the molecules align in a bad order (ugly one). ...
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2answers
661 views

Can people run on water?

There have been a few videos around since as far back as 2010 that people can run on water. This is less commonly called Liquid Mountaineering. This is apparently a new sport but I have only ever seen ...
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0answers
74 views

Has this 2006 experiment about the effect of distant intention on water been challenged? [duplicate]

While researching Masaru Emoto (who I hadn't heard of before today), I found plenty of places where his work was rejected as being only pseudo-scientific, yet I also found this one paper: Double-Blind ...
2
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0answers
157 views

Do lakes and seaside areas have less snow? Why?

A friend claimed that areas near lakes or the sea have less snow, a theory she heard on a visit to Lancaster, England, which is near the Lake District as well as the Irish Sea and so would feel the ...
5
votes
1answer
421 views

Is water that can be set on fire safe to drink?

In this newly release video by RT: https://www.youtube.com/watch?v=-1A3x7AyIVo A man sets water on fire that is pouring from his well, the narrator reads: The local government of Texas, tells ...
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1answer
3k views

Does a full grown oak tree expel 7 tons of water from its leaves in a day?

There are a couple sites with this claim but I can't find any reliable sources... http://www.snapple.com/real-facts/cap-view/715 ...
8
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1answer
829 views

Is consuming drinking water stored in PET bottles harmful

It's a common practice in India to store drinking water in Polyethylene Terephthalate(commonly know as PET) bottles. It is also claimed in many health forums & newspapers articles that PET bottles ...
15
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1answer
10k views

Did an elite Kenyan athlete help an armless runner drink, losing $10,000 prizemoney as a result?

From WTF Facts A Kenyan elite runner passes water to a dehydrated disabled Chinese runner who was suffering. This slowed her time. She came in 2nd in the race not only costing her the win ...
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1answer
1k views

Does it take 20000 L of water to produce 1 kg of cotton and 130 L to produce 1 cup of coffee?

http://everylastdrop.co.uk/ says "When you consider the water required to produce all the stuff we consume, we actually guzzle a massive 4,645 litres every day". It then lists several specific cases, ...
2
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0answers
811 views

Does chlorine in water harm soil bacteria?

This article claims that both chlorine, and chloramine, which are added to many municipal water supplies to kill harmful bacteria, can also harm the good bacteria in soil, necessary for a healthy ...
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0answers
3k views

Do “Toilet Magnets” help prevent staining due to hard water build-up?

The claim is that two magnets dropped into the tank of a toilet can help prevent staining and scaling due to hard water and products such as the following are sold for this purpose: I have found at ...
13
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1answer
20k views

Will fluoride and chlorine dissipate from tap water left to sit overnight?

One common recommendation for watering house plants with tap water is to allow the water to sit overnight before watering, so that the fluorine and chlorine that are commonly added to tap water (which ...
21
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1answer
2k views

Does Masaru Emoto's experiment show human consciousness affects the aesthetics of water crystals?

Japanese author and doctor of alternative medicine, Masaru Emoto claims that water can react to intentions. Talk nice to water and you get nice looking ice crystals from it. Mention Adolf Hitler near ...
13
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0answers
11k views

Can boiling water break car windows?

A friend of mine in Australia has heard from several of her friends that it's unsafe to pour boiling water on car windows in order to defrost them. Online examples of people claiming it's unsafe ...
5
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0answers
330 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 ...
0
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1answer
345 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
13
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2answers
343 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 ...
16
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0answers
22k 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 ...
8
votes
1answer
9k 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 ...
3
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1answer
1k 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 ...
3
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1answer
371 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 ...
3
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1answer
1k 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 ...