Healthy plants are the most critical component of a thriving garden. And one of the best ways to keep them that way is to make sure your soil’s pH level suits their needs. Every plant requires a ...

‌Your stomach has hydrochloric acid in it to help you digest your food. Hypochlorhydria is a condition marked by low levels of stomach acid. Your body may not be able to make enough hydrochloric acid ...

The color of hydrangea flowers can change from pink to purple and blue by tweaking the soil. How do other plants react to those changes? Sydney Kozak explored just that. Her project, “Does changing ...

One of the biggest factors affecting the health of plants in your garden is the pH of the soil, which is a measure of its acidity or alkalinity. A pH of 7.0 is neutral while that above 7.0 is alkaline ...

New technologies to detect when food has gone bad, or prevent it from doing so, are in no short supply. This new technology arose as a collaboration between a few teams, all working on slightly ...

IPI tests paper-based materials and adhesives for pH levels using a modification (described in ISO 18902) of the standardized test, TAPPI T 509 Hydrogen Ion Concentration (pH) of Paper Extracts (Cold ...