This PBS Web site is the online companion to the Nature documentary "Song of the Earth," hosted by David Attenborough. The program explores the elemental purpose of music and offers a fascinating look at the connection between animal sounds and human music. The site includes two detailed lesson plans that integrate science and language arts, designed for grades 9-12. Learning objectives include...

Yet another great site from PBS's NOVA Online. Tales from the Hive offers an up-close look at the interactions and social organizations of honey bees. Lots of vivid photographs and detailed descriptions of behavior help the visitor enjoy learning from the site. After learning how to interpret the dances bees use to tell their hivemates where to find nectar, users can test their understanding...

"The American Naturalist" now offers free access to rapid-release articles from upcoming issues of the journal. These articles will be made available until the issue they will appear in is published electronically, after which a paid subscription is required to view them online. As of June 13, 2003, three articles are available, covering gynodioecy, sexual selection in dung beetles, and...