“There are about 1,500 different types of yeast, but the most famous is probably Saccharomyces cerevisiae, which is the yeast used to leaven bread and ferment wine and ales.”

“But what most puzzled and confounded you was a long, limber, portentous, black mass of something hovering in the center of the picture over three blue, dim, perpendicular lines floating in a nameless yeast.”

“Our survey is not a panorama of prediction, however. It is a look at the fermentive yeast of change, the agents remaking world realities.”