Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

The impact of ocean acidification on species in different parts of the world has been miscalculated, so far, and its impact in some cases over- and in other cases underestimated, an analysis of 86 ...