Food
Food is any substance consumed to provide nutritional support for an organism. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth.
Hygiene
Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal hygiene refers to maintaining the body's cleanliness.
Technology
Technology ("science of craft", from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -logia) is first robustly defined by Jacob Bigelow in 1829 as: "...principles, processes, and nomenclatures of the more conspicuous arts, particularly those which involve applications of science, and which may be considered useful, by promoting the benefit of society, together with the emolument [compensation ] of those who pursue them" .
Food
This much thou hast taught me: that I should learn to take food as medicine. But during that time when I pass from the pinch of emptiness to the contentment of fullness, it is in that very moment that the snare of appetite lies baited for me.
Augustine, Confessions, as translated by A. Outler, Book 10, Chapter 31, p. 197
Technology
Technology is a gift of God. After the gift of life it is perhaps the greatest of God's gifts. It is the mother of civilizations, of arts and of sciences.
Freeman Dyson, Infinite in All Directions: Gifford lectures given at Aberdeen, Scotland (2004), 270
Technology
We live in a society absolutely dependent on science and technology and yet have cleverly arranged things so that almost no one understands science and technology. That’s a clear prescription for disaster.
Carl Sagan, from interview with Anne Kalosh in her article Bringing Science Down to Earth, in Hemispheres (Oct 1994), 99. Collected and cited in Tom Head (ed.), Conversations with Carl Sagan (2006), 100.
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