Early forms of teeth whitening include using the herb elecampane (Inula helenium) to scrub the teeth and taking sage leaves and making a powder of them and salt.

BBC: Medieval teeth 'better than Baldrick's'

Eye-popping motifs like chevron and brocade are especially statement-making in small confines such as powder rooms, while neutral varieties remain ideal for interstitial spaces.

WSJ: Go Supernatural With New Grasscloth Wallpapers | Off Duty Spring 50

In a domestic-science class, three boys are making a presentation for a new washing-powder advertisement.

ECONOMIST: Japan

Rub a generous amount of salt, garlic powder and red pepper on both sides, making sure each piece is evenly covered.

NPR: The Comforts of Food