Cooking, cookery, or culinary arts is the art, science and craft of using heat to make food more
palatable, digestible, nutritious, or safe. Cooking techniques and ingredients vary widely, from
grilling food over an open fire to using electric stoves, to baking in various types of ovens,
reflecting local conditions. Preparing food with heat or fire is an activity unique to humans.
Archeological evidence of cooking fires from at least 300,000 years ago exists, but some estimate that
humans started cooking up to 2 million years ago
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