School Library Journal: Digital Resources: The National Science Digital Library
The School Library Journal features a great article on NSDL resources and services in support of STEM ed. Their take-away: " For librarians and classroom teachers searching for exemplary
lessons in science and math, NSDL offers exceptional resources for
classroom instruction while also providing educators with lessons that
directly correlate to national standards in science and math. There is
little doubt that this digital resource for K-12 science outshines the
rest by providing quality educational resources accessible to everyone.
As a result, the National Science Digital Library earns nothing less
than an A+ "