Learn all about thermodynamics, the science that explores the relationship between heat and energy in other forms. When you purchase through links on our site, we may earn an affiliate commission.

A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...

Energy plays a tremendous role, not only in our technology-rich daily lives, but in fundamental physics as well. The chemical energy stored in gasoline gets converted into kinetic energy that propels ...

Nanotechnology is being used in the energy sector to develop new and improved energy technologies, such as more efficient solar cells, better batteries, and more durable fuel cells. Some examples: ...

Mary Cunningham is a reporter for CBS MoneyWatch. Before joining the business and finance vertical, she worked at "60 Minutes," CBSNews.com and CBS News 24/7 as part of the CBS News Associate Program.

With new and improving clean energy sources on the rise across the country, this Clean Energy Week I am highlighting our most reliable form of baseload energy: hydropower. As a proven energy source ...