Nitrous oxide Nitrous oxide Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula . At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidizer similar to molecular oxygen. It is soluble in water. Nitrous oxide has significant medical uses, especially in surgery and dentistry, for its anaesthetic and pain reducing effects. Its name "laughing gas", coined by Humphry Davy, is due to the euphoric effects upon inhaling it, a property that has led to its recreational
Laughing Boy (novel) Laughing Boy (novel) Laughing Boy is a 1929 novel by Oliver La Farge about the struggles of the Navajo in Southwestern United States to reconcile their culture with that of the United States. It won the Pulitzer Prize in 1930. It was adapted as a film of the same name, released in 1934. The novel is set about 1914, when the first motorized vehicle was driven into Indian Country. It concerns a boy named Laughing Boy who seeks to become an adult who can be respected among his Navajo tribe. They live in a place known as "T'o Tlakai." He