From ABC News in Science, Maggie Fox's article explores a new string of "exoplanets" discovered orbiting distant stars. This research leads to numerous possibilities, one of which being the existence of planetary systems containing life...

The Schlechty Center for Leadership in School Reform is a nonprofit corporation whose mission is "to encourage and support the transformation of the existing system of rules, roles, and relationships that govern the way time, people,...

This resource has an incredible amount of information regarding propaganda. Includes links to numerous topics with propaganda analysis. Offers unique perspectives that challenge the reader to question commonly held beliefs.

Features numerous facts about the history and events of sharecropping, a system of working land owned by others for a share of the yield.

Credited to the Cornell University Greek Epigraphy Project, the content on this page explains (and illustrates through a chart) the Greek use of Alpha characters for numbers.

This site presents a brief history of ancient Egyptian mathematics.

A map from 1911 of a portion of the Laurentian Plateau region of North America showing the drainage and lake network west of Lake Nipigon. The map shows the division line for waters flowing to the Albany and the Winnipeg river systems,...

A map from 1898 of South America showing the general physical features including mountain systems, prominent peaks and volcanoes, river and lake systems, plateaus, and coastal features. The map includes an insert of the Isthmus of...

A map from 1873 of the Ganges River delta in what was at the time the Bengal province of British India. The map shows the main course of the Ganges River, the Hoogly and Hooringotta distributaries, and the Sunderbunds at the mouth of the...

The 604,500 hectare marine and terrestrial property of Ningaloo Coast, on the remote western coast of Australia, includes one of the longest near-shore reefs in the world. On land the site features an extensive karst system and network...

The historic urban ensemble of the canal district of Amsterdam was a project for a new 'port city’ built at the end of the 16th and beginning of the 17th centuries. It comprises a network of canals to the west and south of the historic...

Learn the units of volume measurement. Page includes a conversion calculator, information about the metric system, and numerous links to other relevant material.

Sir Thomas More (7 February 1478 - 6 July 1535), from 1935 Saint Thomas More, was an English lawyer, author, and statesman who in his lifetime gained a reputation as a leading humanist scholar, and occupied many public offices, including...

This site provides a comprehensive index and general directory to math sites that will help students in the study of circles.