Food, nutrition and health; textiles and clothing; shelter and housing; consumerism and consumer science; household management; design and technology; food science and hospitality; human development and family studies; education and community services, among other subjects.
Some of these tips were handed-down from grandma, but were often they were dismissed as cute anecdotes, stories of 'hard times and hard work' which were not necessary in times of prosperity and a plethora of modern conveniences.
As a result, many of these kitchen and household tips have been lost to history -- unless you collect vintage magazines.
There, in the yellowing brittle pages, you'll find a slew of household tips that are amazingly still practical today.
Use the sense Grandma (& God) gave you.