As oranges are peeled, they spray a tangy, citrus scented oil into the air. The main compound in the fragrant mist is limonene, which can be collected from discarded peels and used in flavorings, ...

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 ...

Many everyday foods and seasonings—such as herbs, spices, and aromatic plants—contain natural compounds called phytochemicals that can regulate inflammatory pathways. For centuries, these ingredients ...