Food additive mixtures are an everyday feature of our diets, especially through ultra-processed foods. Until recently, safety evaluations of these additives have been conducted substance by substance ...

A new study has measured the toxicity of several types of per- and polyfluoroalkyl substances (PFAS), better known as 'forever chemicals,' when mixed together in the environment and in the human body.

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 ...