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

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I was resistant to poison ivy as a kid. Could literally roll in the stuff and be fine. I haven't tested in a while because a friend said the same but also said they lost resistance around 35. What is the science behind this?

17 upvotes

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Why do violins and cellos and slow piano, etc, often elicit "sad" emotions? Maybe this is an obvious thing, but what's the science behind it, assuming no primed associations with "sad" movie scenes, etc.?

15 upvotes

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MY professor (of chemistry, some years back) claimed that inheritable DNA can be changed within as little as 2 weeks by dietary decisions. Is this actually possible?

7 upvotes

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Why does the sound range on a TV seem to have a greater disparity between levels in the lower range than the higher?

6 upvotes

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Do we really not know the reason tree leaves have for anthocyanin, carotene, and xanthophyll?

5 upvotes

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Why does a person get goosebumps when listening to music or watching TV or a movie?

3 upvotes

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If oxygen feeds fire, why does fire burn more strongly when fed by a smaller, faster airstream?

2 upvotes

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What are signs of Aspergers? How does one test for it?

1 upvotes

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If HIV is only transmitted via opaque bodily fluids (and not, say, saliva), how to women transmit it during sexual intercourse?

1 upvotes

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Why do dentists cover you with a lead bib for your organs, but have no issue exposing your head (and brain)?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I was resistant to poison ivy as a kid. Could literally roll in the stuff and be fine. I haven't tested in a while because a friend said the same but also said they lost resistance around 35. What is the science behind this?	17
Why do violins and cellos and slow piano, etc, often elicit "sad" emotions? Maybe this is an obvious thing, but what's the science behind it, assuming no primed associations with "sad" movie scenes, etc.?	15
MY professor (of chemistry, some years back) claimed that inheritable DNA can be changed within as little as 2 weeks by dietary decisions. Is this actually possible?	7
Why does the sound range on a TV seem to have a greater disparity between levels in the lower range than the higher?	6
Do we really not know the reason tree leaves have for anthocyanin, carotene, and xanthophyll?	5
Why does a person get goosebumps when listening to music or watching TV or a movie?	3
If oxygen feeds fire, why does fire burn more strongly when fed by a smaller, faster airstream?	2
What are signs of Aspergers? How does one test for it?	1
If HIV is only transmitted via opaque bodily fluids (and not, say, saliva), how to women transmit it during sexual intercourse?	1
Why do dentists cover you with a lead bib for your organs, but have no issue exposing your head (and brain)?	1