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

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How exactly does immune system "memory" work that allows it to better fight diseases it has encountered before? Is there a limit to how many different diseases it can "remember"?

3 upvotes

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Does our sense of smell deteriorate like our hearing and eye site?

2 upvotes

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Social disorders in animals?

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If time is the 4th dimension, why are tesseracts considered 4th dimensional objects?

1 upvotes

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Why do we make high pitched noises when communicating playfully to babies / pets? Do they actually respond to this or is it more our energy and body language?

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Can something truly be "random"?

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Through genetic engineering would it be possible to turn a recessive gene dominant or vice versa?

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Is there anything someone can't be allergic to?

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Would it be possible accurately test if a previously unencountered substance was poisonous to humans?

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What's the main benefit of having a specific order of operations in mathematics? Can't we just use parenthesis more and make calculations more intuitive (i.e. always do it left to right)?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How exactly does immune system "memory" work that allows it to better fight diseases it has encountered before? Is there a limit to how many different diseases it can "remember"?	3
Does our sense of smell deteriorate like our hearing and eye site?	2
Social disorders in animals?	2
If time is the 4th dimension, why are tesseracts considered 4th dimensional objects?	1
Why do we make high pitched noises when communicating playfully to babies / pets? Do they actually respond to this or is it more our energy and body language?	1
Can something truly be "random"?	1
Through genetic engineering would it be possible to turn a recessive gene dominant or vice versa?	1
Is there anything someone can't be allergic to?	1
Would it be possible accurately test if a previously unencountered substance was poisonous to humans?	1
What's the main benefit of having a specific order of operations in mathematics? Can't we just use parenthesis more and make calculations more intuitive (i.e. always do it left to right)?	1