Quinoa (the name is derived from the Spanish spelling of the Quechua name kinwa) originated in the Andean region of Peru, Bolivia, Ecuador and Colombia, where it was domesticated 3,000 to 4,000 years ...
Cassava root is essentially a carbohydrate source. Its composition shows 60–65 percent moisture, 20–31 percent carbohydrate, 1–2 percent crude protein and a comparatively low content of vitamins an ...
Wild populations of M. esculenta subspecies flabellifolia, shown to be the progenitor of domesticated cassava, are centered in west-central Brazil, where it was likely first domesticated more than 10, ...
The Amazon basin is bounded by the Guiana Highlands to the north and the Brazilian Highlands to the south. The Amazon River, which rises in the Andes Mountains at the west of the basin, is usually con ...
The term bean originally referred to the seed of the broad or fava bean, but was later expanded to include members of the New World genus Phaseolus, such as the common bean and the runner bean, and th ...
Red chilies contain large amounts of vitamin C and small amounts of carotene (provitamin A). Yellow and especially green chilies (which are essentially unripe fruit) contain a considerably lower amoun ...
Chili peppers have been a part of the human diet in the Americas since at least 7500 BC. The most recent research shows that chili peppers were domesticated more than 6000 years ago in Mexico, in the ...
The blue potato (or purple potato) originated in South America. It has purple skin and flesh, which becomes blue once cooked. It has a slight whitish scab that seems to be present in all samples. The ...
The English word potato comes from Spanish patata (the name used in Spain). The Spanish Royal Academy says the Spanish word is a compound of the Taino batata (sweet potato) and the Quechua papa (potat ...
The Bering Strait is approximately 82 kilometres (51 mi; 44 nmi) wide at its narrowest point, with depth varying between 30 metres (98 ft) and 50 metres (160 ft). It connects the Chukchi Sea (part of ...
During the last glacial period, enough of the earth's water became frozen in the great ice sheets covering North America and Europe to cause a drop in sea levels which exposed the sea floors of many i ...
By the first millennium, South America's vast rainforests, mountains, plains, and coasts were the home of tens of millions of people. Some groups formed permanent settlements. Among those groups were ...
Following the Paleozoic, the Mesozoic extended roughly 186 million years, from 252.17 to 66 million years ago when the Cenozoic era began. This time frame is separated into three geologic periods. Fro ...
In North America, the era began with deep sedimentary basins along the eastern, southeastern, and western sides of the continent, while the interior was dry land. As the era proceeded, the marginal se ...
In 2011, researchers from RMIT's School of Health Sciences reported the results of an independent, randomized and controlled trial with double blind design. They found no difference in balance between ...
