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  • In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to…

    Are We Having Fungi Yet? Helping Young Trees Grow

  • In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to…

    Are We Having Fungi Yet? Helping Young Trees Grow (Spanish)

  • After reading the Caves and Karst edition of Natural Inquirer, test your knowledge with a crossword puzzle.

    Crossword – Caves and Karst

  • After reading the Southwestern United States Investi-gator, test your knowledge with a crossword puzzle.

    Crossword – Southwestern United States Investi-gator

  • Test your knowledge on agriculture, habitats, and drought.

    Crossword Puzzle – Natural IQ Climate Change

  • The scientists in this study were interested in environmental changes occuring in the Southern United States. The scientists were interested…

    Everything but the Carbon Sink: Carbon Storage in the Southern United States

  • In this FACTivity, you will use every-day materials to explore how root size impacts the exchange of materials between roots…

    FACTivity – Cream of the Crop

  • In this article, scientists explore the different ecosystem services provided by prairie potholes such as soil nutrients, absorbing carbon, and…

    Fill Those Potholes! Identifying Ecosystem Services of Small Wetlands on the American Prairie

  • In this study, the scientists studied glaciers and their nearby rivers in Alaska. The water coming from glaciers can be…

    Frozen Food: How Glaciers Provide Food for Animals That Live in the Ocean

  • At the end of the “Standing on the Shoulders of Giants” article, there is a glossary of terms that were…

    Glossary Challenge – Standing on the Shoulders of Giants

  • The scientists in this study were interested in three common periodic changes in sea surface temperatures, called oscillations. In particular,…

    It’s a Small World: How Oceans and Climates Can Affect Wildland Fires Thousands of Miles Away

  • Koa is one of the most valued of tropical woods. A particular type of koa tree, called Acacia koa, is…

    Koa Constrictors: Studying Things That Slow the Growth of Koa Crop Trees