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

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I can smell scents breathing in, why can't I smell the same scents breathing out?

65 upvotes

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What is the threshold of wind that snuffs out a candle or makes it stronger?

3 upvotes

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Companies selling electric razors claim the best shave will take several weeks while your skin becomes accustomed to it. Is there any truth to this? If so, what changes does your skin undergo?

3 upvotes

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I'm an obese, sedentary person. How long can I survive without food, but fully hydrated?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I can smell scents breathing in, why can't I smell the same scents breathing out?	65
What is the threshold of wind that snuffs out a candle or makes it stronger?	3
Companies selling electric razors claim the best shave will take several weeks while your skin becomes accustomed to it. Is there any truth to this? If so, what changes does your skin undergo?	3
I'm an obese, sedentary person. How long can I survive without food, but fully hydrated?	2