The Chemical Heritage Foundation (CHF) fosters an understanding of chemistry’s impact on society.

ChemCases.com is a web-based resource of curriculum supplements for teaching the second semester general chemistry course.Each case study features a number of the basic principles covered in a traditional general chemistry curriculum.

This website documents, in great depth, a large collection of chemical elements and examples of their applications, common and uncommon. Click any element tile above and you will find probably more than you ever wanted to know about that element.

Digital Morphology, part of the National Science Foundation Digital Libraries Initiative, develops and serves unique 2D and 3D visualizations of the internal and external structure of living and extinct vertebrates, and a growing number of 'invertebrates.' The Digital Morphology library contains nearly a terabyte of imagery of natural history specimens tha

Understanding Evolution is a non-commercial, education website, teaching the science and history of evolutionary biology. This site is here to help you understand what evolution is, how it works, how it factors into your life, how research in evolutionary biology is performed, and how ideas in this area have changed over time.

We live in an era of discovery. Each day, scientists bring us closer to understanding fundamental questions about human life. How does the brain process information and store knowledge? How do mutations in key genes cause disease? How do cells communicate?

The MBGnet project began in the mid-nineties as a collaboration between the Missouri Botanical Garden and the Evergreen Project. Together we created a series of videos about terrestrial biomes and aquatic habitats called What's It Like Where You Live?. The MBGnet website was based on these videos and gives additional information about the ecosystems.

The Encyclopedia of Science is an on-line A-to-Z of science (and technology, mathematics, philosophy, etc) maintained and updated on a daily basis by astronomer/author David Darling and is part of The Worlds of David Darling website.

Phil Plait, the creator of Bad Astronomy, is an astronomer, lecturer, and author. After ten years working on Hubble Space Telescope and six more working on astronomy education, he struck out on his own as a writer. He's written two books, dozens of magazine articles, and 12 bazillion blog articles.

The Mars Exploration Rover mission is part of NASA's Mars Exploration Program, a long-term effort of robotic exploration of the red planet.