What makes sourdough bread different from other types of bread? An installment of a PBS food science video series explains the science behind fermentation, yeast, bacteria, and their relationship with sourdough bread. It also discusses...

Sandwich: a delicious meal stacked with meats, cheeses, and veggies, or a parish in England? How about both! The sandwich was invented in—yes, you got it—Sandwich, by John Montagu. Watch this creative and inventive video that gives a...

Alcohol or ethanol fermentation, including yeast and its role in bread and wine production. [6:22]

America's Test Kitchen editorial director Jack Bishop talks about the science behind a perfect loaf. [22 mins. 26 secs.]