How cooking made us human JAN 20 2010
Not all calories are created equal, says Harvard biological anthropologist Richard Wrangham...humans get many more calories from cooked food than from raw.
Cooked food is more digestible than raw food. And not just by a little, but by a lot. Learn how to control fire, use it to cook your food, and you free up extra energy -- plus time that would otherwise be spent masticating. Spend that time hunting, and your metabolic equation gets even better.