Carat (mass) quarters" of 15 grains troy each. Likewise, the ounce troy was divisible into 24 "ounce carats" of 20 grains troy each; the ounce carat was divisible into four "ounce grains" of 5 grains troy each; and the ounce grain was divisible into four "ounce quarters" of grains troy each. The "solidus" was also a Roman weight unit. There is literary evidence that the weight of 72 coins of the type called "solidus" was exactly 1 Roman pound, and that the weight of 1 "solidus" was 24 "siliquae". The weight of a Roman pound is generally believed to have been 327.45
Ancient grains quinoa, amaranth, buckwheat, and chia. Modern wheat is a hybrid descendant of three wheat species considered to be ancient grains: spelt, einkorn, and emmer. The origin of grains goes back to the Neolithic Revolution about 10,000 years ago, when prehistoric communities started to make the transition from hunter-gatherer to farmer. Modern varieties of grains have been developed over time through mutation, selective cropping, breeding and research in biotechnology. Ancient grains, however, are said to be largely unchanged from their initial domesticated varieties. Several ancient grains were worshipped and used by many ancient civilizations, from the Aztecs to the Greeks and