Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...

An interesting article addressed to students discusses the life of children on the western frontier, about the time of the "Little House" stories of Laura Ingalls Wilder.

[Free Registration/Login Required] This two-page article summarizes the alignment of PBL with Common Core standards for ELA and math, plus the Next Generation Science Standards. It is an excerpt from the BIE book, PBL for 21st Century...

Interesting article follows the return of "hard" news to the 3 evening newscasts from June to October 2001. Includes infographics and source material.

A detailed article on information obtained from the Arctic permafrost. Scientists find vegetation in ice. Very Interesting! (July 27, 1999)

Phillip Guo is a computer science researcher and teacher specializing in human-computer interaction and educational technology. This article discusses how he became interested in his profession and what his job entails.