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

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If a man has a vasectomy, where does the sperm go during an ejaculation?

1817 upvotes

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Why does a laser spot look grainy?

1307 upvotes

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If I made a clone of myself, but swapped my Y chromosome for my father's X chromosome, how different would my clone sister be from myself?

191 upvotes

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Why hasn't the Kuiper belt accreted into a planet?

57 upvotes

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Have any bacteria developed alcohol resistance in the same way as antibiotic resistance?

34 upvotes

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Are venomous animals immune to their own venom?

10 upvotes

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Does anything actually drift off into space? Or does it just go into a different orbit?

9 upvotes

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Why are rudders on boats always at the back?

8 upvotes

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How did ancient humans tackle the need to trim finger and toe nails?

4 upvotes

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Why is it advantageous for mammals to give birth to live young, instead of laying eggs?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a man has a vasectomy, where does the sperm go during an ejaculation?	1817
Why does a laser spot look grainy?	1307
If I made a clone of myself, but swapped my Y chromosome for my father's X chromosome, how different would my clone sister be from myself?	191
Why hasn't the Kuiper belt accreted into a planet?	57
Have any bacteria developed alcohol resistance in the same way as antibiotic resistance?	34
Are venomous animals immune to their own venom?	10
Does anything actually drift off into space? Or does it just go into a different orbit?	9
Why are rudders on boats always at the back?	8
How did ancient humans tackle the need to trim finger and toe nails?	4
Why is it advantageous for mammals to give birth to live young, instead of laying eggs?	2