Skeptics Stack Exchange
Skeptics Stack Exchange

Questions tagged [water]

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

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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 Steve Lipsky that the water from his well, water that he…
DMINATOR
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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 least one site that provides a "scientific…
rjzii
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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 Their website says [...] numerous independent…
Nikhil
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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 there scientific evidence supporting the benefit of…
Andrew Grimm
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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 observe its growth over several days. One…
Nog Shine
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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 incident. Is it possible to verify this claim? Did the…
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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 operated without an external power input, and without the…
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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 believe the water from a water fountain is safe and good…
Richard Rast
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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 shower prevents high-blood pressure 1 glass before bed…
Josef E.
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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 videos of people doing this, e.g Walk on water…
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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-tree-expel-through-its-leaves-each-day I was hoping…
aug
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Does drinking alkaline water help you recover from a hangover?

Related to another question of mine on "electrolyzed reduced water". There are a number of companies that sell commercial products claiming to produce such water. I'm guessing it's not by adding "platinum nanoparticles" though (as my previous…
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Nanoscale hydrogen batteries that use water-splitting technology

It was claimed in this article in 2019 that a nano-battery using water splitting technology is developed. It is described as: The battery gains its charge by interacting with water molecules present in the surrounding air. When a water molecule…
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Does eating nonsalty food with MSG make you thirsty?

Assume that you're thirsty after eating food that didn't taste salty while you were eating it. I know that MSG contains sodium. Quora posts and https://msgdish.com/msg-problems-and-answers/ still impute the thirst to salt: The Problem with MSG…
user16959
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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 the bathrooms had bathtubs with four valves: two…
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