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

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How come when you’re looking at a bright light, you’ll squint a little, but if you close one eye, you won’t squint as much if at all?

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Why does our vision get blurred when we try and see underwater?

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Why does our “heart drop” when something unexpected happens sometimes? Like when we take a step off a curb we were expecting or accidentally knock something over for example

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How come when you’re looking at a bright light, you’ll squint a little, but if you close one eye, you won’t squint as much if at all?	1
Why does our vision get blurred when we try and see underwater?	1
Why does our “heart drop” when something unexpected happens sometimes? Like when we take a step off a curb we were expecting or accidentally knock something over for example	1