Learn that even those organic apples or free range chicken breasts from the local health food grocery are products of extensive genetic manipulation. Learn that almost every food we eat today is shaped by centuries of "tampering with nature" that changed often inedible and even poisonous plants into tasty and nutritious foods.

Scientists see crops as building blocks for energy, chemicals, plastics, and even construction materials. The biotech revolution could change our society from one that runs on hydrocarbons to one based on carbohydrates. Explore the potential benefits and risks of bioengineered foods.