Eating is the ingestion of food to provide for all organisms their nutritional or medicinal needs, particularly for energy and growth. Animals and other heterotrophs must eat in order to survive: carnivores eat other animals, herbivores eat plants, omnivores consume a mixture of both plant and anima...

Perfection is, broadly, a state of completeness and flawlessness. The term "perfection" is actually used to designate a range of diverse, if often kindred concepts. These concepts have have historically been addressed in a number of discrete disciplines, notably mathematics, physics, chemi...