Globally, reports the United Nations’ Food and Agriculture Organization (FAO ... a woman separates the chaff (seed coverings) from the grain in Mongar, Bhutan. Photograph by Alex Treadway ...

A privacy technique that is simpler than encrypting a message with a key. Chaff is the unusable part of a plant, and winnow means to separate the chaff so it can be discarded. Thus, chaff is sent ...

Many plants considered weeds in agricultural crops are actually highly nutritious ... On mixed farms, livestock may be used directly to graze weeds, or consume mown weeds, chaff, and screenings. Goats ...