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21 February 2017 @ 11:38 pm
Shivering after urinating...  
So I noticed this video in my feed from Sci Show on the mystery of why one would shiver after peeing.

I have never experienced such a thing myself, but I knew of one account of the phenomenon from Aristotle's Meteorology (which I read back in my undergrad days):

"Again, we must think that the Earth is affected as we often are after urinating - for a sort of tremor runs through the body as the wind returns inwards from without in one volume." Aristotle, The Meteorology Book II, 366b 17-21 (EW Webster Trans.)

This occurs in his attempts to explain the occurrence of earthquakes. I don't see much merit to his hypothesis that the tremor is caused by some rush of air generated by liquid moving around our body. But I always remembered this strange analogy.

Searching the comments on the video and doing some searching on the subject, people had apparently not made the connection. So I thought it appropriate to document the citation here, to increase the probability that if anyone ever actually publishes a research paper on the topic they can begin with a phrase of the form "Shivering after urination has been noted since at least Aristotle. In this paper we will..."

An example of a phenomenon that is often mentioned as being first noted by Aristotle is the Mpemba effect that hot water freezes faster than cold water.
 
 
 

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Allan Olley4ll4n0 on March 17th, 2017 05:19 am (UTC)
Another example of Ur Aristotle
So the same Youtube channel just put up another video and it starts by pointing out the phenomenon in question (pink snow) was noted by Aristotle.