Yum Yum Yogurt!

Today, we ate the yogurt we made on Tuesday! It was interesting, with the probiotic tablets making a yeasty tasting yogurt and the kefir making a sour cream like yogurt. Then we checked our UV plates, finding that our unknown bacteria, L 25, was not affected by 30 seconds under UV-C light. We made a little fieldtrip to the greenhouse, then got our environmental samples out of the -80 degree freezer. We prepared a streak plate from the environmental samples and put the little tubes back in the freezer. Then we watched a movie on biological terrorism and how scientists in the U.S. traced the anthrax poisonings in 2001.