Explore the sciences at Des Moines' science center: find out about their programs, exhibits, planetarium, schedules, and more.

Ask a question or read the experts' answers to other people's questions about computers, chemistry, astronomy, physics, medicine, the environment, and other areas of science.

More than 20,000 definitions of computer terms and concepts.

Hundreds of inventions and inventors, biographies, pictures, indexes of inventions and inventors. Searchable.

Athena engages students in observing phenomena using remote-sensed data to construct knowledge about the world. Data sets and instructional pieces are related to oceans, the atmosphere, Earth resources, and space/astronomy. The material is intended for direct use by students with appropriate assistance from teachers. The goal of Athena is to enhance the K-12 science curriculum, and facilitate use of the powerful computational tools in classrooms networked to the Web.

Explores the science behind the news by providing in-depth but accessible articles about science and how it affects everyday life. "The Why Files in Education" classifies the stories according to science education standards.

Targeted at elementary school students, this site features science projects from some of the best museums in the country, adapted for the Web.