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

29
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1answer
4k views

In California, is water from the north diverted into the Pacific Ocean?

Possibly addressing the Californian wildfires, president Donald Trump claims that in California "water coming from the north" is "being diverted into the Pacific Ocean". Governor Jerry Brown must ...
2
votes
1answer
350 views

Does chlorine in water harm humans? [closed]

Some sources claim chlorinated tap water is harmful. Global Healing Center, for example, claims links to cancer, heart disease, asthma and atherosclerosis. The risk of developing cancer is 93% ...
4
votes
1answer
467 views

Does atmospheric water contain minerals?

Scalene Aquaria sell a machine that collects from moisture from the air. They describe a nine-stage process - most of it looks like hogwash, but this one made me more curious: The Eighth stage ...
4
votes
0answers
257 views

Did the Vanderbilts from the Gilded Age bathe in saltwater?

Recently, I visited the mansion that the Vanderbilt family (from the Gilded Age, late 1800s) used to live in -- it's commonly referred to as "The Breakers", located in Newport, Rhode Island. Many of ...
59
votes
1answer
12k views

Does anybody spend 6 hours each day just to get water?

During the 2018 Super Bowl there was a commercial advertising a campaign to help bring fresh water to people in developing countries. It argued that fresh water is grossly easy to attain in developed ...
7
votes
0answers
514 views

Does watering plants with purified water yield better results?

I watched a commercial for the Aquaguard Enhance RO+UV water purifier recently. In that commercial, a science teacher assigns an experiment to students. The students bringing a plant to school, and ...
6
votes
1answer
1k views

Does hydrogen-infused water have these health benefits?

I recently saw a local shop selling packages of water infused with hydrogen gas. It was alleged that hydrogen is an antioxidant and therefore drinking hydrogen-infused water would have various health ...
4
votes
1answer
863 views

Can someone survive being swallowed by a whale?

This site claims that a man was swallowed by a whale for three days and survived. His name is Luihi Marquez and is Spanish. Upon searching, it seems that multiple news sites have covered this ...
3
votes
0answers
169 views

Is there any scientific basis to this “catalytic converter” to treat hard water?

I came across this product called Softer Water Conditioners. It includes a lot of scientific sounding mumbo-jumbo to explain how it works, which raises my skepticism. Is there any scientific basis to ...
5
votes
3answers
669 views

Is drinking collected rain water proven to be beneficial for your health?

Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. After reading the article ...
12
votes
1answer
6k views

Does cold water boil faster than hot water?

I was having a chat about science with a manager in my office. We were talking about water and he said "you shouldn't boil water from the hot tap because cold water boils faster". I know about the ...
4
votes
1answer
656 views

Can current flooding in California end the years-long drought?

California has been stricken by severe drought for years now, to the point that the governor has been required to mandate water rationing. In an Accuweather piece about the storm currently ravaging ...
1
vote
1answer
311 views

Can we find water with wood sticks? [duplicate]

Many people and websites claim that one can find water with wood sticks (typically Hazel stick shaped in 'Y'). those who seek for water with wood sticks are called "sourcier" in french. As I fail to ...
10
votes
0answers
475 views

Do cats avoid water when it is placed near food?

This tumblr post makes the interesting claim that if a cat's water is placed near its food, the cat will consider the water to be unsafe to drink, and that cats will be more inclined to drink it if it ...
8
votes
2answers
314 views

Does teaching 6-12-month old infants to back float reduce their risk of drowning?

The American Academy of Pediatrics does not recommend water safety lessons for babies less than one year old: The water-survival skills programs for infants may make compelling videos for the ...
5
votes
1answer
7k views

Can Waterseer extract as much as 37 L per day from the air?

Treehugger.com article on Waterseer Wind-powered device can produce 11 gallons per day of clean drinking water from the air [...] The WaterSeer is relatively simple device, designed to be ...
5
votes
1answer
457 views

Are the birth-control hormones present in the drinking water?

According to this article, the birth-control hormones were found in the rivers and even ended up in the drinking water. Amway dealers claim that only their water purifier can remove these hormones ...
15
votes
1answer
988 views

Does soaking in natural hot springs have any health benefits when compared to soaking in heated non-spring water?

There exists a common belief that soaking in natural hot springs has significant health benefits. For example, Hotelexecutive.com claims that: So What Exactly Can Soaking in Natural Hot Springs Do? ...
12
votes
0answers
2k 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
votes
0answers
129 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 ...
16
votes
1answer
812 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 what ...
1
vote
0answers
90 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
votes
0answers
729 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 ...
7
votes
1answer
552 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 ...
3
votes
2answers
196 views

Water exploding upon microwaving [duplicate]

Many people believe that water can explode out of a container after being microwaved. Is this true?
3
votes
0answers
106 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 ...
11
votes
1answer
5k 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 ...
5
votes
3answers
4k 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 ...
35
votes
1answer
4k 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 ...
2
votes
0answers
268 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 ...
3
votes
2answers
610 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?
4
votes
1answer
530 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. ...
20
votes
1answer
6k 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 Impacts.” ...
8
votes
1answer
576 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 ...
8
votes
0answers
269 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 ...
3
votes
0answers
210 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 ...
14
votes
0answers
12k 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 ...
11
votes
2answers
1k 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
1k 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 ...
7
votes
1answer
13k 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 ...
6
votes
1answer
512 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 ...
2
votes
0answers
274 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
votes
1answer
367 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 ...
2
votes
0answers
109 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. ...
9
votes
1answer
11k 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). ...
4
votes
2answers
820 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 ...
1
vote
0answers
93 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
votes
0answers
195 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 ...
6
votes
1answer
549 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 ...
5
votes
1answer
5k 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 http://www.chacha.com/question/how-much-water-does-a-full-grown-oak-...