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 ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

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 ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...

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 ...

The vagina is a slightly acidic environment, with a pH of less than 4.5. Higher pH levels allow bacteria and yeasts to thrive, which can result in bacterial and yeast infections. Vaginal pH tests ...

Your body is constantly performing a delicate balancing act that most of us never think about. While we’re busy worrying about calories and carbs, a microscopic chemistry experiment determines how ...

DEAR DR. ROACH: In a recent column, you stated that the body works to keep blood pH levels steady. My urologist has recommended that I drink baking soda in water to alkalinize my urine. Is it true ...

In this video, I show you the best pH soil level for tomatoes and other vegetables by conducting soil tests in 3 of our garden beds. These soil tests give the pH levels and vital information about why ...