(Encyclopedia) winter cress or upland cress, species of Barbarea, herbs of the family Cruciferae (or Brassicaceae; mustard family). The pungent leaves of several species have been used for salads or…
(Encyclopedia) Wood, Robert Williams, 1868–1955, American physicist, b. Concord, Mass., grad. Harvard (B.A., 1891). After studying abroad he became associated with Johns Hopkins as professor of…
(Encyclopedia) biennial, plant requiring two years to complete its life cycle, as distinguished from an annual or a perennial. In the first year a biennial usually produces a rosette of leaves (e.g…
Mayflies have a life span of about two hours.A slug has four noses.Despite its long neck, the giraffe has only seven neck bones — the same number as a person.The mouse deer of Asia, a real deer, is…
There may be lost pirate treasure buried in the coves of the Caribbean Islands. There are certainly lost treasures of gold and jewels aboard early Spanish sailing ships sunk at sea. But not all…
Editor Paul Lagassé
Senior Editors Lora Goldman Archie Hobson Susan R. Norton
Associate Editors Barry J. Katzen Alan D. Levy Theodore Zinn
Contributors Curt Bertschi Helen…
Source: The U.S. Department of State The smallest region, New England has not been blessed with large expanses of rich farmland or a mild climate. Yet it played a dominant role in American…
(Encyclopedia) rue, common name for various members of the family Rutaceae, a large group of plants distributed throughout temperate and tropical regions and most abundant in S Africa and Australia.…
Adaptationthe response of a living organism to changes in its environment.Agea unit of geological time, which is characterized by some feature (like an Ice Age).Ambera yellowish, fossilized tree…