COLUMBIA, S.C. — Our atmosphere is composed of a multitude of gases. There are two main ones that take up most of our air. Nitrogen is the biggest and takes up about 78 percent of the atmosphere.

What happens when you mix vinegar with baking soda? It creates a chemical reaction that produces carbon dioxide gas that can create a fun explosion. Ingredients 1/2 cup of vinegar 1/4 cup of warm ...

GRAND RAPIDS, Mich. — Our final experiment we shared with the kids at Plainfield Child Care was a chemical reaction between baking soda and vinegar. It sort of illustrates a volcanic eruption, ...

Winter means a lot of indoor time, and I've learned that science experiments are a lifesaver on those long, cold days. The best part? You don't need anything fancy. Baking soda, vinegar, food ...

Growing up, we all had to do all kinds of science projects in school. For Baby Boomers, here are several classic science projects that just about everyone had to do at least once.

Two science professors have cooked up a way for distance-education students to fulfill their science-lab requirements -- by turning their kitchens into chemistry labs. The professors say their ...