Forbes contributors publish independent expert analyses and insights. Thus, it’s vitally important for policymakers and advocacy groups to know exactly what substance abuse problems we are facing, and ...

In everyday life, for example on food packaging, the word ‘pure’ usually means that something is in its natural state without anything added to it, like sweeteners or preservatives. Natural fruit ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Pure and Mixed Substances: In the world of chemistry, substances are broadly classified into two fundamental categories: pure and mixed substances. Understanding these distinctions is crucial as they ...

Impurities and instability are challenges for all drugs, but a growing range of technological tools are helping drug developers and manufacturers minimize them.

The global war on drugs is failing, new research suggests, as the price of heroin, cocaine and cannabis has fallen while their purity has increased. Using seven sets of government drug surveillance ...

The word 'pure' is used in chemistry in a different way from its everyday meaning. For example, shops sell cartons labelled as 'pure' orange juice. The label means that the contents are just orange ...