I had been doing research, my first experience thus far and I am perplexed by the behavior of my lab mentor. Mind you, I am a senior philosophy major, with a bio minor who is just getting involved in research. He has disrespected me three times, the third of which I left the lab and explained that things were not working to which he apologized and said he understood. The first time revolved around a protocol he gave for restriction enzymes. He did not explain that endonucleases and buffers had to be put in at the same time. He emitted a loud f**k, slapped his head and had me start over. The second time, he explained 2 tools were used in inoculating cultures, one a loop and the other a needle. I asked him what the difference was, to which he replied, "well obviously, one is a needle shaped, and one is a loop". The third and last time he explained that "resediment" simply meant to centrifuge. Later he held that resediment meant to centrifuge, wash, and grind a pellet-to which I only centrifuged like he told me. He blew up once again. He does not look at me when I speak to him, and generally explains how to use the machines, but nothing on protocol. Is this normal behavior when working under a lab mentor? I must say that I am discouraged. I plan to try a different lab the next chance I get, but I am concerned that maybe science is all about sucking it up to which I am not willing to subject myself. I am just curious if I can look forward to more of this as I move up the ladder toward being a physician-scientist.