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

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How does my brain know how old a memory is?

1393 upvotes

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Is there any evolutionary evidence of other animals heating their food prior to eating it, or is the cooking of food an entirely human construct?

1095 upvotes

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When you have a solution, how come the [OH-] x [H3O+] value always has to equal 1x10^-14? Specifically, why is there always some H+ or OH- left in very basic/acidic solutions?

7 upvotes

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If I were to draw a random squiggly figure on a piece of paper, would it be able to be modeled by a mathematical equation?

6 upvotes

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Why is it that I can spontaneously fall asleep while I'm sitting on the couch doing my work late at night, but after I'm done doing my work and go to bed, it still takes 5~10 minutes to fall asleep?

1 upvotes

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How come whenever I'm on the phone I instinctively walk around?

1 upvotes

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From an evolutionary standpoint, why do vegetables taste bad if they're so good for us?

1 upvotes

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Why does music which follows a certain major or minor scale sound more pleasing to our ears?

1 upvotes

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How come when I throw a snowball up in the air 12-15 feet it doesn't break, yet when I drop it from 5 onto the road it completely falls apart?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How does my brain know how old a memory is?	1393
Is there any evolutionary evidence of other animals heating their food prior to eating it, or is the cooking of food an entirely human construct?	1095
When you have a solution, how come the [OH-] x [H3O+] value always has to equal 1x10^-14? Specifically, why is there always some H+ or OH- left in very basic/acidic solutions?	7
If I were to draw a random squiggly figure on a piece of paper, would it be able to be modeled by a mathematical equation?	6
Why is it that I can spontaneously fall asleep while I'm sitting on the couch doing my work late at night, but after I'm done doing my work and go to bed, it still takes 5~10 minutes to fall asleep?	1
How come whenever I'm on the phone I instinctively walk around?	1
From an evolutionary standpoint, why do vegetables taste bad if they're so good for us?	1
Why does music which follows a certain major or minor scale sound more pleasing to our ears?	1
How come when I throw a snowball up in the air 12-15 feet it doesn't break, yet when I drop it from 5 onto the road it completely falls apart?	1