/r/askscience

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Why do horseradish and wasabi seem to burn through the nose, while regular hot sauces and peppers seem to burn through the tongue (and also almost anything else they come in contact with)?

515 upvotes • elchiguire

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Why is diabetes so prevalent in the Indian subcontinent since the last 50 years or so?

515 upvotes • playadefaro

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Is there a way for me, a layperson without any special equipment, to capture the scent of a particular place or thing and preserve it?

514 upvotes • rakbar

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Is there an advantage to having a dominant side (i.e. right or left handed) or is this just something we train ourselves to do out of laziness?

514 upvotes • becauseofyou

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Why is the ocean so salty?

514 upvotes • Grapplin_lobsteh

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What happens to data when you delete it off of a cell Phone or a hard drive?

514 upvotes • Brookesole

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With clocks like the cesium atomic clock, we know that the measurement is accurate to within an infinitesimal fraction of a second, but how do we know what a second is exactly?

514 upvotes • Butthole__Pleasures

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Is solid metal frozen?

514 upvotes • shadow_1231

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I saw a Black Spot on the Sun today in the very center, and as it was rising the black spot stayed centered, what could it have been?

514 upvotes • Apophis2036

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If gravity "travels" as a wave, does it move at the speed of light?

514 upvotes • MrSquer

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why do horseradish and wasabi seem to burn through the nose, while regular hot sauces and peppers seem to burn through the tongue (and also almost anything else they come in contact with)?	515	elchiguire
Why is diabetes so prevalent in the Indian subcontinent since the last 50 years or so?	515	playadefaro
Is there a way for me, a layperson without any special equipment, to capture the scent of a particular place or thing and preserve it?	514	rakbar
Is there an advantage to having a dominant side (i.e. right or left handed) or is this just something we train ourselves to do out of laziness?	514	becauseofyou
Why is the ocean so salty?	514	Grapplin_lobsteh
What happens to data when you delete it off of a cell Phone or a hard drive?	514	Brookesole
With clocks like the cesium atomic clock, we know that the measurement is accurate to within an infinitesimal fraction of a second, but how do we know what a second is exactly?	514	Butthole__Pleasures
Is solid metal frozen?	514	shadow_1231
I saw a Black Spot on the Sun today in the very center, and as it was rising the black spot stayed centered, what could it have been?	514	Apophis2036
If gravity "travels" as a wave, does it move at the speed of light?	514	MrSquer