HEATKEYS

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Writing Guidelines for Engineering and Science Students: guidelines to help students of engineering and science make their writing more efficient for others to read and to make the process of writing more efficient for them to perform.

Twenty sections of 225 study guides and exercises for learners, middle school through returning adult, in 32 languages.

A biology resource site for teachers and students

Learn more about North Carolina State University, located in Raleigh, N.C., and consistently recognized as one of the nation’s top public universities.

The Gemological Institute of America, GIA, is the world

The only facility of its kind in the United States, the National High Magnetic Field Laboratory is the largest and highest-powered magnet laboratory in the world, headquartered near Florida State University in Tallahassee. The lab also includes sites...

ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive lab testing menu of highly complex and unique medical tests in clinical and anatomic pathology. Ow...