Eric Weisstein’s World of Science

World of Science was given a 4-star review in the May 15, 2012, issue of “Genetic Engineering and Biotechnology News“.  Eric Weisstein is a web encyclopedia author.  This portal is available via Wolfram Alpha, within which there are 5 portals for Math, Physics,  Chemistry, Astronomy and Biography.  “Beautifully designed”, “easy to navigate” and a “wealth of information”

Search Engines, etc. for finding Free Online STEM Resources

“Search Engines and Beyond: A Toolkit for Find­ing Free Online Resources for Sci­ence, Tech­nol­ogy and Engi­neer­ing“
By Nedelina Tchangalova and Francy Stil­well, Uni­ver­sity of Maryland

in the Spring, 2012 issue of Sci­ence and Tech­nol­ogy Librar­i­an­ship  [ http://www.istl.org/ ]