culturing

I majored in Microbiology in college and, like many I'm sure, I did not use the knowledge of my degree for much of my current profession. I do, however, still find the topic very interesting! I'm looking for a few books and other media types that go into the very scientific processes involving...

I've never actually tried salvaging (or culturing don't know exactly what you would call it) but I was told it was possible, and the mexican lager yeast that I bought to make a Lime Cerveza Lager is apparently fairly rare. So I was wondering if it were possible to salvage this yeast to make...