Foodie TWiM reveals that bacteria in human saliva are major components of Ecuadorian indigenous beers, and an unusual E. coli that produces atypical light cream-colored colonies in chromogenic agar.

The cast of TWiM reveals how uropathogenic E. coli use a binding protein to treat copper as a nutrient or a toxin, and Antarctic soil bacteria that survive on trace atmospheric gases.

Vincent visits the laboratories of Kit and Joseph Pogliano on the campus of the University of California, San Diego, where he learns about their work on the bacterial cytoskeleton, sporulation, and the effects of antibiotics on bacterial cells.