Re:Grandparents raising children is in line with human biology
by tcj_phx on Thursday May 26, 2016 @03:30AM
(#11776250)
I've used my own variant of the heat method:
http://www.newmalecontraception.org/heat-methods/
I verified with a microscope - the amscope 150 (iirc) was not quite $100 with some slides. I should have bought the microscope first.
what? and how did you verify?