/u/profdc9's posts in /r/askscience

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Is the isotope potassium 40 ever deliberately refined over its natural concentration for any purpose? Would pure potassium 40 be biologically harmful?

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Could fossil fuel use ultimately make the available carbon in the biosphere too low?

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What is known about the health effects of carbolic soap?

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Differences in spectra between enantiomers

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Have any differences in spectra been observed between enantiomers?

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For diatomic molecules such as dihydrogen, dinitrogen, and dioxygen, do the molecules have a nonzero electric dipole if the two atoms are of different isotopes?

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Which of the chemical elements are abundant but mostly useless or used for minor purposes?

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Are there organisms on Earth that can live and reproduce in a reducing atmosphere including methane or ammonia not immersed in water?

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Do mRNA vaccines work on bacterial and other types of pathogens as well as viral pathogens?

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The finite simple groups have been classified. Given that there are so many different types of finite simple groups, how are mathematicians sure that there are no more of them to be found?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the isotope potassium 40 ever deliberately refined over its natural concentration for any purpose? Would pure potassium 40 be biologically harmful?	1
Could fossil fuel use ultimately make the available carbon in the biosphere too low?	1
What is known about the health effects of carbolic soap?	1
Differences in spectra between enantiomers	1
Have any differences in spectra been observed between enantiomers?	1
For diatomic molecules such as dihydrogen, dinitrogen, and dioxygen, do the molecules have a nonzero electric dipole if the two atoms are of different isotopes?	1
Which of the chemical elements are abundant but mostly useless or used for minor purposes?	1
Are there organisms on Earth that can live and reproduce in a reducing atmosphere including methane or ammonia not immersed in water?	1
Do mRNA vaccines work on bacterial and other types of pathogens as well as viral pathogens?	0
The finite simple groups have been classified. Given that there are so many different types of finite simple groups, how are mathematicians sure that there are no more of them to be found?	0