/u/pannenkoek2012's posts in /r/askscience

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If we took the schematics for an iPhone and inserted it into the past (say the year 1900), how much earlier would the iPhone be created?

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Why did we evolve such that it's beneficial for us to constantly clean off our face's and hair's natural oils?

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How is it that everyone's upper jaw and lower jaw mesh together so well, given the high variation of teeth positioning?

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Is it possible that intelligent life could have evolved in sea creatures, or was coming onto land a crucial step in our evolution?

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Do we have different DNA segments governing our left and right sides? Or just one set of DNA that's programmed to make two mirrored halves?

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Is there a fundamental reason why 3 points are needed to form a polygon?

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Mathematics is seen as very objective and definite. So, what's the most controversial or questionable area of mathematics?

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Why does urine come out in a steady stream but semen comes out in pulses?

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If you shrunk down (like in Honey, I Shrunk the Kids), then would people's voices sound lower pitched?

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Why is 3-sides necessary for a polygon? Is there a fundamental rule that prohibits smaller polygons?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If we took the schematics for an iPhone and inserted it into the past (say the year 1900), how much earlier would the iPhone be created?	1
Why did we evolve such that it's beneficial for us to constantly clean off our face's and hair's natural oils?	1
How is it that everyone's upper jaw and lower jaw mesh together so well, given the high variation of teeth positioning?	1
Is it possible that intelligent life could have evolved in sea creatures, or was coming onto land a crucial step in our evolution?	1
Do we have different DNA segments governing our left and right sides? Or just one set of DNA that's programmed to make two mirrored halves?	1
Is there a fundamental reason why 3 points are needed to form a polygon?	1
Mathematics is seen as very objective and definite. So, what's the most controversial or questionable area of mathematics?	1
Why does urine come out in a steady stream but semen comes out in pulses?	1
If you shrunk down (like in Honey, I Shrunk the Kids), then would people's voices sound lower pitched?	1
Why is 3-sides necessary for a polygon? Is there a fundamental rule that prohibits smaller polygons?	1