history

Examines the life and accomplishments of twentieth-century scientists James Watson, an American zoologist, and Francis Crick, an English chemist, the men responsible for cracking the genetic code and discovering the molecular structure of DNA, and includes a time line, and a selection of primary source transcriptions and images.

Presents a short study of the European trade market during the later Middle Ages between 1000 to 1500 A.D, and examines population growth and economic expansion, the rise of towns and universities, travel technology, and more.

Provides an overview of the scientific achievements, technological advancements, and warfare tactics in ancient Mesopotamia, and covers astronomy, measurement, medicine, architecture, agriculture, weapons, naval and siege technologies, and other related topics.

Provides a brief overview of the history of the Pacific Division of the NBA and offers facts and statistics about its teams and players. Includes photographs, a time line, a glossary, and resources.

Describes the history of the Northwest Division of the National Basketball Association, and profiles its five teams, covering their histories and highlighting important players.

Offers an introduction to the National Football Conference West, covering the division's history, key teams, players, and coaches, and rivalries, as well as providing statistics for each team.

Offers an introduction to the National Football Conference South, covering the division's history, key teams, players, and coaches, and rivalries, as well as providing statistics for each team.

Offers an introduction to the National Football Conference East, covering the division's history, key teams, players, and coaches, and rivalries, as well as providing statistics for each team.

Describes the armor, fights, and lives of Roman gladiators, discussing gladiator schools and famous figures as well as how gladiator fighting came to an end.