Information covering important topics for today's educators and parents. When sites are no longer available, they are not listed as Digital Dozen winners. Biology students in grades 9-12 and beyond can use this online resource developed at the University of Arizona. Several topics, including cell and molecular biology, biochemistry, genetics, and immunology, are presented through tutorials and online problem sets. A guided tour shows highlights of the site.
Some modules are also available in Spanish.
Each concept has an overview and photographs, biographies, and animations as appropriate. This site reports on breaking news in space, the weather, and on earth. In addition to reading columns and feature stories at the site, readers can sign up to receive an email newsletter. Peggy E. Schweiger teaches physics in Texas and on this site she shares her syllabus, class lecture notes, sample problems, and science fair project abstracts. Students and teachers will enjoy the lessons and projects section, with detailed instructions for several engaging activities.