Scientists are looking for solutions to remove greenhouse gases trapped in our atmosphere, and one idea may lie in the wetlands. Stopping fossil fuel emissions will not be enough to limit global ...

The chemical composition of lichens depends on the basis (substrate) on which they grow. In this way lichens adapt to adverse conditions—such as a high level of acidity (low pH) or the presence of ...

A food with a pH below 4.6 is high in acid. This includes many citrus fruits, plums, grapes, pomegranates, and several other fruits. Tomatoes, which are technically a fruit, are also acidic. Defining ...

Australian researchers are warning parents of the dangers of drinks that are high in acidity, which form part of a "triple threat" of permanent damage to young people's teeth. These drinks include ...