How does food science help people who cook in restaurants or at home?

Chefs use science in their work when they make a recipe that evolves of chemical/physical change with food. Chefs use science when they are using the gas/electrical appliances on the stove. Chefs use science when they practice out the recipe they use taste, feel see etc. Chefs use science when types up their recipe on the computer using computer science. Chefs use science when they touch the solid, liquid or gas. Also when they boil water, freeze chocolate etc.