The science of matter and the changes it can undergo.
Questions tagged [chemistry]
151 questions
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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 happen?
Four Seasons
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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 the existing open-air reservoirs.
Particularly,…
Evan Siroky
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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 concerned about pesticides in your home because you…
user16959
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2 answers
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' causing damage, injury or death.
Are there…
Carl D
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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, rinses with clean water, then does the same…
Maia
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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 technology helps remove harmful contaminants such as THMs and…
Jack
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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 asking for medical advice, I'm just curious what,…
David Perry
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Are added nitrates and nitrites in our diet harmful?
It is widely claimed that meat-curing agents containing nitrates or nitrites are dangerous food additives.
This site puts them in a top ten list of bad food and recommends avoiding cured meats, explaining:
Many foods, especially cured meats such as…
matt_black
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Are synthetically produced chemicals not found in nature more likely to be harmful than naturally occurring ones?
Since everything is made from chemicals the often made claim that we should avoid food that doesn't contain chemicals doesn't make any sense. But the underlying idea that synthetic chemicals are somehow particularly dangerous seems to persist and is…
matt_black
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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 chemicals such as chlorine and other organic…
InquilineKea
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Are angel food cakes cooked in tube pans because they need support?
According to Cooks Illustrated:
There’s a good reason angel food and chiffon cakes are always baked in tube pans, and it’s not just aesthetics. These specialty vessels actually help delicate cakes rise. Because egg foam–based cakes like angel food…
user
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Do transparent beer bottles allow UV rays oxidise the beer faster?
According to the following Facebook post from a Beer fan page:
The ultimate goal of adding a lemon to a beer is to hide beer flaws and defects.
By using a transparent bottle, ultraviolet (UV) rays oxidise the beer very quickly, causing a bad taste…
marcanuy
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Do reusable plastic water bottles leach dangerous chemicals?
Possible Duplicate:
Is refilling water bottles bad for you?
Several articles claim that the 'chemical leaching' from reusable clear plastic water bottles leads to toxins in the water, not even just when left in the sun.
West Virginia…
Christopher
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Is all disease caused by the electron spin of food?
Dr Elizete Kaffer is a Brazilian dermatologist.
In a video (in Portuguese) she claims, starting from 0:54 (enphasis on the part that I translated):
[After talking about hidden sources for pathologies, e.g. symptoms of eye pathologies can have…
Lambert macuse
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Does commercially-produced cotton cloth contain unhealthy chemicals that cause fertility problems?
The article Czy Twoje ubrania Cię trują? "Wchłaniamy chemię przez skórę. Stąd np. problemy z płodnością" (Do your clothes poison you? "We absorb chemicals through the skin, hence, for example, fertility problems") is in the website of a popular…
gaazkam
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