The science of matter and the changes it can undergo.
Questions tagged [chemistry]
151 questions
3
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1 answer
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 alcohol - wine and vodka don't make me sleepy like…
Andrew Cheong
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3
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2 answers
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 to everyday exposures to chemicals in water,…
Oleksiy
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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, from the ones you can clearly see to the tougher…
Jack
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Are plastics making us fat and giving us diabetes?
A recent widely reported news story (example report from the Independent) suggested that one explanation for the modern rise in obesity was not too much food or two little exercise but many of chemical additives common in the modern environment…
matt_black
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Will plant-life on Earth end due to too little CO2?
According to a 2013 Daily Mail article :
greater evaporation and chemical reactions with rainwater will take away more and more carbon dioxide.
In less than a billion years, its levels will be too low for photosynthesising plants to survive, say…
DavePhD
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Is vinegar dangerous for dishwashers?
This post claims that putting vinegar in rinse aid reservoir of a dishwasher leads to damage (similar claims can be found here and here):
on newer dishwashers, the rinse aid compartments have rubber components that aren’t really compatible with…
Dmitry Grigoryev
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2
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Does copper react differently with different people?
One of my friends and I have developed a habit of drinking water from only copper vessels as I have read several benefits of drinking from that. But I observed one strange phenomenon during past few months. Even if both of us wash our vessels on the…
Point Networks
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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 displeased, because the snowflakes did not have six-fold
…
Andrew Grimm
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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 garden.
It stands to reason that water that’s been…
Flimzy
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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 Book of Absinthe. Did such a cocktail really…
user7920
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vote
1 answer
Are pomegranate seeds edible?
My dad usually eats cherry seeds, which seemed dangerous to me, so I searched it online and indeed it can be dangerous. Today, I was about to eat a pomegranate but I wasn't sure if the seeds are edible. My parents said it's okay. But that's what…
user50555
1
vote
1 answer
Is Plant-e an actual company stating a serious premise?
This is what I read beforehand and then I reached the company page.
They state that plants produce energy. This happens when releasing stuff from the photosynthesis process, which is consumed by bacteria among their roots, and that process releases…
Luis Masuelli
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Chemtrails : A dangerous govt. plot or just another debunked theory?
According to countless chemtrail research theories , trails left in the sky by high-flying govt. aircraft are dangerous chemical or biological agents deliberately sprayed for reasons undisclosed to the general public.
There are however, numerous…
AndrewL64
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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.
Skeptical
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Can using the brushes or combs of people who dye their hair render my hair white?
My parents always caution me to not use their hair brushes or combs as they apply dyes (to dye their hair black) on a regular basis. According to them, my hair will start whitening. I am very insecure about my white hair as I am still young for…
Samardeep singh
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