"It's so simple. With a two-liter bottle you add sugar, you add extract, you add a small amount of yeast and water, cap it up and in two days they've got root beer.
VOA: special.2011.08.01
In the most simplesugar and spice models, the market settles on one price for each commodity.
Zhang lead a Virginia Tech team that developed a way to produce large quantities of hydrogen from xylose, an abundant simplesugar that makes up 30 percent of the cell walls of plants.