The Outside Story shows how needle-thin columns of ice protruding from the ground are formed from the liquid between soil particles.

You can learn more about soil and water science by completing one of the project activity guides, based on your grade level: Soil and Water Science Level 1 (Grades 3-5) Soil and Water Science Level 2 ...

Soil contaminated with harmful perfluorinated and polyfluorinated alkyl substances (PFAS) is difficult to clean, a complete remediation is often not possible. Perfluorinated and polyfluorinated alkyl ...

You've probably read countless seed packets and planting guides that use words like "sandy," "clay," "loam," and "silt" to describe the ideal soil texture for what you're planting. But you might not ...