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

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If low and high frequency waves like radio waves or x-rays can both penetrate barriers (like clothing or flesh), why can't visible light do this?

21 upvotes

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When neuroscientists say a part of the brain "lights up," what's actually going on?

15 upvotes

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How much NyQuil would it take to knock out a seagull but not actually injure/kill it?

10 upvotes

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Why, as a whole, do Ashkenazi Jews seem to have more health problems than the general population? (I myself am Jewish.)

3 upvotes

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If I don't want to spend money on Gatorade or other sports drinks, can I just drink saltwater to roughly the same effect?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If low and high frequency waves like radio waves or x-rays can both penetrate barriers (like clothing or flesh), why can't visible light do this?	21
When neuroscientists say a part of the brain "lights up," what's actually going on?	15
How much NyQuil would it take to knock out a seagull but not actually injure/kill it?	10
Why, as a whole, do Ashkenazi Jews seem to have more health problems than the general population? (I myself am Jewish.)	3
If I don't want to spend money on Gatorade or other sports drinks, can I just drink saltwater to roughly the same effect?	1