Ongoing discussion about the potential effects of ocean acidification on deep-sea corals has me wondering about the case of acid rain in North American lakes. This is something we understand much ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Purdue Extension Educators frequently encourage homeowners to get soil tests when they want to grow new plants in an area, or try to diagnose what’s wrong with plants currently growing. One key ...

The pH, or the acidity or alkalinity of an environment, has long been known to affect how efficiently catalysts drive key ...