Hunting, fishing were the most extensive human activity. Agriculture has impact on well-being, made civilization possible: released obligation from individuals of producing food. Rice, wheat, corn every civilization is based on one of these or other staples. How can you tell if eggs are fresh or not: sinks = fresh, floats = should be discarded. Emperor livia was very fond of eggs: nestled an egg between her breasts to keep it warm and hatched! Each person in lifetime east 50 tonnes of food and 55 000 litres of fluid: male 2000 2500 calories, female <2000 calories. Average person kills 21000 animals by eat meat. Average 82 grams of sugar is consumed daily. American statistic 1 in 5 (20%) live on a diet of 10 foods or less; top three are: 1) fries, burgers, hot dogs. Humans seem to retain smells and tastes associated with particular foods: memory more capable of these kinds of recollections.