Optimizing copper, manganese, and vitamin B12 during pregnancy can help lower the risk for high blood pressure and hypertension in midlife, according to a study published online March 6 in ...

Oxygen is essential for life and a reactive player in many chemical processes. Accordingly, methods that accurately measure ...

When Secretary of Health and Human Services Robert F. Kennedy, Jr. announced last week that he is directing the U.S. Food and ...

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 ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as ...

Mixtures of this sort—of cholesterol together with one phospholipid having a relatively high melting temperature and another phospholipid having a relatively low melting temperature—are widely ...

A study of intestinal damage from pesticide mixtures adds to the wide body of science highlighting regulatory deficiencies.

Simple techniques like filtration and evaporation will not work, but they can be used for separating mixtures. Need extra resources for your physics and chemistry lessons? In this seven-part ...