yeast, n.All

Wasps are essential in the production of wine. The yeast on the surfaces of mature grapes can't survive winter but can survive and breed in the stomachs of hibernating wasps

Microbiologist Raul Cano, whose work helped inspire Jurassic Park, successfully revived yeast that had been trapped in amber for 25 million years. He then used the ancient yeast to make beer.

Yeast is sea monkeys for bread.

Yeast is a critter that eats sugar and poops alcohol.

Yeast is an orgy in your bread