As our yogurt culture evolves, so do the bacteria involved in making it, ridding themselves of extra genes and in the meantime giving scientists a glimpse of the evolutionary process. Subscribe to ...
Wright, L. D., Valentik, K. A., Spicer, D. S., Huff, J. W., and Skeggs, H. R., Proc. Soc. Exp. Biol. Med., 75, 293 (1950).