(Encyclopedia) Fort Garry, two trading posts of the Hudson's Bay Company, built on the present-day site of Winnipeg, Man., Canada, at the confluence of the Red and Assiniboine rivers. The first,…
It's not all black and white.
The Veil Nebula shows off its brilliant colors.
Blue Planets
Earth, Neptune, and Uranus are all blue because of gases in their atmosphere.
The big and very blue…
(Encyclopedia) Rh factor, protein substance present in the red blood cells of most people, capable of inducing intense antigenic reactions. The Rh, or rhesus, factor was discovered in 1940 by K.…
We live in a colorful world. In many countries, colors represent various holidays; they are also used to express feelings and enliven language. Find your favorite color and see what it means…
(Encyclopedia) polycythemiapolycythemiapŏlˌēsīthēˈmēə [key], condition characterized by an increase in the production of red blood cells, or erythrocytes, in the blood. Primary polycythemia, also…
Is Greenland Green? No. Much of Greenland is covered with a thick blanket of ice. The Viking explorers called it Greenland in order to lure settlers!Is the Dead Sea Dead? Yes. There is no life in…
(Encyclopedia) garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double…
(Encyclopedia) Duroc swineDuroc swinedŭˈrŏk, d&oomacr;ˈ– [key], breed originating during the 1800s in the NE United States from crosses among a number of red strains existing in that region. One…
(Encyclopedia) Irish terrier, a breed of hardy working terrier developed in the British Isles and believed to be one of the oldest terriers. It stands about 18 in. (46 cm) high at the shoulder and…
(Encyclopedia) alizarinalizarinəlĭzˈərĭn [key], or 1,2-dihydroxyanthraquinone, mordant vegetable dye obtained originally from the root of the madder plant (Rubia tinctorum), in which it occurs as a…