The science of matter and the changes it can undergo.

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Is water with extra oxygen tastier, healthier, or otherwise desirable for humans?

In Japan, it is apparently common to add oxygen to bottled water. But this isn't standard H20. It's a new mix containing 12 to 15 times as much oxygen as regular water. (...) "It's totally ...
4
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1answer
417 views

Does freshly-boiled water contain more oxygen?

I was (probably foolishly) reading the side of a box of herbal tea-bags, and noticed that they recommended always using freshly boiled water, because "Freshly boiled water contains more oxygen." As I ...
2
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1answer
158 views

Does the hops in beer cause sleepiness?

Does the hops in beer have (a consistent and noticeable) effect on drowsiness? Whenever I drink a beer, I get so sleepy that I can barely keep my eyes open. Is it the hops? It can't be the just ...
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1answer
599 views

Do extreme homeopathic dilutions still retain quantities of the starting materials?

This Indian Institute of Technology Bombay press release quotes some research papers which claims to prove that homeopathic remedies do retain original substances even when diluted. The paper ...
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1answer
2k views

Does copy paper become “old and yellow”?

I have a part-time job at a place where printing, copying, scanning, faxing, and shredding happens every day. Thus, we have about two large cabinets with about 56 reams of paper (packs of 500 sheets) ...
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274 views

Is diet soda as bad for your teeth as regular soda or methamphetamine?

I've heard of many claims about soda water itself containing carbonic acid (as claimed by a teacher I had in high school) and having a generally high pH that's enough to destroy one's teeth. This ...
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3answers
1k views

Can thunderstorms curdle milk?

When I was 13, my sister and I spent the summer on a dairy farm. We worked in the creamery, where (twice a day) we bottled fresh raw milk, as well as cleaned all the equipment. It was really a fun ...
22
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1answer
442 views

Does water bring out the flavor and aroma in scotch?

I've often heard that adding just a few drops of filtered, room termperature water to scotch helps to "bring out the flavor and the aroma." The scotch guy at my store told me it involves a chemical ...
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3answers
5k views

Has carbon dating indicated that live humans are 4000 years old?

A friend of mine told my wife that carbon dating is unreliable because it has been performed on live humans and indicated that the test subject(s) are 4000 years old. Is there any truth to this ...
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2answers
341 views

Is it almost impossible to find animals that are not contaminated by chemicals?

From Chapter 3 of Rachel Carson's seminal book, Silent Spring (1962): FOR THE FIRST TIME in the history of the world, every human being is now subjected to contact with dangerous chemicals, from ...
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1answer
403 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 ...
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192 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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214 views

Do vacuum wine stoppers help preserve wine?

Vacuum wine stoppers are very popular, but I don't know how effective they actually are. I've been unable to find any scientific results. I have found plenty of people who have bought the products and ...
5
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0answers
632 views

Does baking soda eliminate a cockroach infestation?

My questions concerns a population, more significant than simply exterminating an individual cockroach. Claim: http://pest.tips.net/T003494_Kill_Roaches_with_Baking_Soda_and_Sugar.html If you're ...
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2answers
355k views

Is CPH4 from science fiction movie 'Lucy' real?

In the science-fiction film Lucy, the titular character takes a drug called CPH4 that increases her brain capacity. The writer and director of the film, Luc Besson, claims in several interviews that ...
5
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1answer
215 views

Do styrofoam cups cause health issues?

A friend of mine posted a link on Facebook to a Change.org petition to stop using styrofoam cups at Dunkin Donuts. Amongst their complaints was that styrofoam cups caused health issues for the staff ...
4
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1answer
459 views

Are harmful chemicals leached from ordinary Ziploc bags when used for sous vide cooking?

Sous vide cooking is a style of cooking where you seal meat in bags and soak it in water at a specific temperature for a very long time, sometimes days. Some worry that in this process, harmful ...
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1answer
211 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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3answers
4k views

Is sugar one element away from cocaine or any other drug?

I've heard multiple times through out my college and early work career that they believed sugar was one element away from being cocaine (or some other drug). However, none of these people had a ...
4
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1answer
468 views

Do pain killers “target” pain?

Everyday I hear advertisements that some painkiller directly targets the pain. e.g. Nurofen's UK web-site Targets pain fast. [...] Targets pain twice as fast as standard ibuprofen ...
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1answer
1k views

What do we know about red mercury?

My friend, known as a liar, came to me two days ago and told stories about red mercury, something I never heard about. Could do magic, the pharaohs used it. 1 kg worth 30 million dollars, used in ...
3
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2answers
259 views

Have chronic conditions such as heart disease, prostate cancer, infertility ever been linked to everyday exposures to chemicals in food?

Claim: http://www.ewg.org/research/mens-health "There has been significant research in recent decades showing that chronic conditions such as heart disease, prostate cancer, infertility may be linked ...
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1answer
194 views

Is pouring liquor from a bottle onto a flambé an explosion risk?

Several TV chefs including, the late Julia Child, have advised against pouring liquor directly from the bottle to a pan to be ignited, as 'flames could travel up the stream and ignite the bottle' ...
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1answer
1k views

Can burning potato peels clean a chimney?

Some state, that burning dry potato skin would remove or reduce carbon black in a chimney. One can find many examples for this online: The potato peels burn at high energy and will help push the ...
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1answer
3k views

Did January 2014 American snowfall char and burn when exposed to fire?

This site, ‘Fake Snow’: Videos In Multiple States Show Strange Snow That Doesn’t Melt Normal, Burns, Smells of ‘Plastic’, shows several videos and images of people burning snow they collect from ...
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1answer
927 views

Did cows in Germany blow up their own barn by farting?

As reported by Reuters, Flatulent cows start fire at German dairy farm - police Methane gas from 90 flatulent cows exploded in a German farm shed on Monday, damaging the roof and injuring one of ...
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1answer
254 views

Do charcoal bags help removing volatile organic compounds (VOCs)?

I have read some claims that charcoal bags help removing harmful volatile organic compounds (VOCs). Bamboo Charcoal helps improve indoor air quality by absorbing and trapping odors, ...
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1answer
706 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 ...
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0answers
632 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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1answer
78k views

Does putting salt into a wound make the wound worse?

It's commonly believed that the idiom "rubbing salt into the wound" is derived from a literal action of making things worse. Wiktionary claims the literal act was done for torture: Derived from ...
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1answer
15k 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 ...
4
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2answers
720 views

Can a body be dissolved by a few liters or gallons of Hydrofluoric acid?

In the "Cat's in the Bag..." episode of Season 1 of "Breaking Bad," characters are shown with 4 gallon-jugs of Hydrofluoric Acid that they use to dissolve 2 adult corpses. Chemistry is a major plot ...
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2answers
3k views

Does (liquid) nitrogen react with chlorine or other chemicals in a swimming pool?

Various news outlets are claiming that people suffered from poisoning after liquid nitrogen was poured into a swimming pool. The intended effect was to produce mist. For example,the telegraph ...
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0answers
1k views

Is there formaldehyde in the glue of bamboo cutting boards? Is it dangerous?

Many purveyors of bamboo cutting boards make a point to advertise that the cutting board is made from formaldehyde-free glues. There seems to be fairly widespread advise to avoid formaldehyde in ...
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0answers
478 views

Does “liquid-injection damp-proofing” work to water-proof walls?

There are technologies for sale, especially in Germany, to drill holes in the walls of a cellar, and inject into the concrete or masonry a liquid, such as Sodium Silicate The manufacturers promise ...
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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 ...
2
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1answer
462 views

Was there a cocktail named 'Mickey Slim' that used DDT as an ingredient?

According to Wikipedia, a Mickey Slim is a cocktail made by combining gin with "a pinch of DDT" which provided an experience similar to (the original) absinthe. The source appears to be The Dedalus ...
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1k views

Would baking soda and vinegar clean hair, and how?

There's a popular hair cleaning regime circulating in the 'green' blogs called the "no 'poo method." Rather than using shampoo, one rinses the hair with a tablespoon of baking soda in a cup of water, ...
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1answer
227 views

Did James Lovelock deny that CFCs destroyed ozone?

In the discussion threads of one of the answers to this meta question How much can we trust peer reviewed scientific literature? EnergyNumbers alleged that James Lovelock had originally denied that ...
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2answers
13k views

Is Coca-Cola effective at removing blood-stains?

From My Perfect Automobile: In many states the highway patrol carries two gallons of Coke in the trunk to remove blood from the highway after a car accident. I doubt it's real. Does Coca-Cola ...
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1answer
1k views

Is testosterone responsible for typically “male” behaviour?

On the English Language and Usage stack exchange, two people asked what was meant by "testosterone-charged", as in the following quote, from the story "2 States: The Story of My Marriage" by Chetan ...
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2answers
735 views

Are there currently any tests available to diagnose fluoride or fluorine toxicity?

That's what I read here: http://www.merckmanuals.com/professional/nutritional_disorders/mineral_deficiency_and_toxicity/fluorine.html No tests to diagnose toxicity are available.
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0answers
477 views

Are bleaching powders effective cleaning agents?

The claim from the manufacturer: Have you seen a stain on your clothes that you can't seem to remove? Don't fear! Vanish Oxi Action Powder contains Oxi Powerlift which removes all types of stains, ...
3
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0answers
289 views

Is typical indoor concentration of VOC correlated to concentration of CO₂?

A vendor of VOC (Volatile Organic Compound) sensor claims the VOC concentration correlates highly to CO₂ concentration in a typical conference room: Figure 2 illustrates the correlation of true ...
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1answer
1k views

Is bamboo charcoal safely edible?

Bamboo charcoal is made up of pieces of bamboo, which are taken from plants five years or older and burned inside an oven at temperatures over 1000°C. Bamboo charcoal is well known about its high ...
8
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1answer
749 views

Do the water filters in Pure & Clear filters work?

Dr Mercola advertises Pure & Clear Filters: Pure & Clear filters use a “selective filtration” process rather than a mechanical one for a couple of very important reasons. This advanced ...
10
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1answer
2k views

Is it possible to stack liquids of different density scale on top of each other?

I came across q picture on the net and now I'm skeptical that it's possible. I know liquids from different density scale wouldn't mix easily but stacking them on top of eachother with perfectly ...
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1answer
33k views

Is Paraffinum liquidum (mineral oil) in cosmetics dangerous?

Paraffinum liquidum can be found in a lot of cosmetic products. Some articles say it is harmless but the other half said it causes harmful effects such as the premature aging of the skin. Examples ...
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1answer
1k views

Did Donald Duck accidentally use methylene in a comic before it was discovered?

From Good Comics: In 1963, the Disney Studio learned just how wide and faithful a readership Barks had. A letter arrived from Joseph B. Lambert of the California Institute of Technology, ...
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1answer
3k views

Does Dimethyl Sulfoxide (DMSO) speed the healing of wounds?

My wife is currently suffering from a small ulcer which is refusing to heal and a friend of hers suggested a topical application of DMSO to improve healing time. Please not that I am explicityl not ...