I'm trained as a bacterial geneticist. For reasons that I won't go into, I worked at a biotech startup where (for a period of time) everyone in my group was tr

I'm trained as a bacterial geneticist. For reasons that I won't go into, I worked at a biotech startup where (for a period of time) everyone in my group was trying to culture microbes from common household surfaces. The nastiest place we came across? kitchen sinks. One of the cleanest? our toilets (obviously after flushing). I probably should not have been surprised at that result, but I was.