Hunt on for monarch butterfly eggs in the gardens of Canada

When Canadian conservation enthusiasts head out to find monarch eggs, it's always with a magnifying glass and a notebook. They are volunteers taking part in a summer census of the iconic, endangered butterflies.

Dogs distinguish between intentional and unintentional action

Over their long shared history, dogs have developed a range of skills for bonding with human beings. Their ability to make sense of human actions, demonstrated by every "sit," "lay down," and "roll over," is just one such ...

Your sense of smell may be the key to a balanced diet

Walking past a corner bakery, you may find yourself drawn in by the fresh smell of sweets wafting from the front door. You're not alone: The knowledge that humans make decisions based on their nose has led major brands like ...

Bluefin tuna reveal global ocean patterns of mercury pollution

Bluefin tuna, a long-lived migratory species that accumulates mercury as it ages, can be used as a global barometer of the heavy metal and the risk posed to ocean life and human health, according to a study by Rutgers and ...

Ancient sea ice core sheds light on modern climate change

A 170 m record of marine sediment cores extracted from Adélie Land in Antarctica by the Integrated Ocean Drilling Programme is yielding new insights into the complicated relationship between sea ice and climate change.

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Food

Food is any substance, usually composed of carbohydrates, fats, proteins and water, that can be eaten or drunk by an animal or human for nutrition or pleasure. Items considered food may be sourced from plants, animals or other categories such as fungus or fermented products like alcohol. Although many human cultures sought food items through hunting and gathering, today most cultures use farming, ranching, and fishing, with hunting, foraging and other methods of a local nature included but playing a minor role.

Most traditions have a recognizable cuisine, a specific set of cooking traditions, preferences, and practices, the study of which is known as gastronomy. Many cultures have diversified their foods by means of preparation, cooking methods and manufacturing. This also includes a complex food trade which helps the cultures to economically survive by-way-of food, not just by consumption.

Many cultures study the dietary analysis of food habits. While humans are omnivores, religion and social constructs such as morality often affect which foods they will consume. Food safety is also a concern with foodborne illness claiming many lives each year. In many languages, food is often used metaphorically or figuratively, as in "food for thought".

This text uses material from Wikipedia, licensed under CC BY-SA