Should I pay extra for a built-in mechanical stage or pay less for one with a removable mechanical stage?
Let's say two unrelated couples, each a black and white couple, had a mixed child - one a boy, one a girl and these two mated when they reached...
Owned.:cool:
I'm going to buy a microscope soon, anything I should know. I just got into biology and find it to be a very fascinating subject. I'm willing to...
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