Group items tagged

"This free web site presents ongoing research and recent discoveries in the fields of astrophysics, Earth sciences, biodiversity, and human biology and evolution. Videos of documentary feature stories, data visualizations, and weekly reports can be played online or downloaded to your computer. Educational resources on the site help teachers use these stories in the classroom."

"A free, searchable catalog of standards-based science teaching materials fro K-12 educators and learners. The database can be browsed by topic or searched by keyword. The site also contains Special Collections - groups of resources organized around themes, such as Climate Change and Mammals."