Using science and technology to make food safe, healthful and delicious. As human beings, we all need to eat in order to survive, and what we eat is food. The food industry is actually the largest manufacturing industry in the United States. Every food product in your local grocery store and many of the foods listed on your favorite restaurant menu have been developed by p Using science and technology to make food safe, healthful and delicious. As human beings, we all need to eat in order to survive, and what we eat is food. The food industry is actually the largest manufacturing industry in the United States. Every food product in your local grocery store and many of the foods listed on your favorite restaurant menu have been developed by people working in food science - food chemists.