I've occassionally gotten slightly assymetrical cuts due to the 
block moving in the microtome. I just usually take that to mean 
that I need push the block farther in and look at it from the side 
to make sure its straight before  cut again.

--
SMITH,REBEKAH FELICIA
"You are a child of the universe, no less than the trees and the 
stars
You have a right to be here and whether or not it is clear to you, 
no doubt the universe is unfolding as it should. Therefore be at 
peace with G-d, whatever you conceive Him to be. And whatever your 
labors and aspirations,in the noisy confusion of life, keep peace 
in your soul.-Max Ehrmann,"Desiderata"


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