FirstBook
First Book and Lockheed Martin are partnering to bring Science, Technology, Engineering, and Math (STEM) educational resources to school and community programs serving children in need.
http://stem.firstbook.org/

Lockheed Martin
Find interviews from engineers at Lockheed Martin
http://www.lockheedmartin.com/engineersintheclassroom/index.html

Siemens STEM Academy
Join your fellow educators by sharing your favorite lesson plans, tips, tricks, ideas, presentations, websites, videos and other STEM related resources that may prove useful for others who want to expand their classroom materials.
http://www.siemensstemacademy.com/index.cfm?event=showResourceLanding&c=37

Golems
A website dedicated to creativity using physics to build anything your mind can fathom. 
http://golemgame.com/index.html

? Genetics/Biotechnology Theme Page
Students and teachers will find curricular resources (information, content...) to help them learn about this genetics/biotechnology.  In addition, there are also links to instructional materials (lesson plans) which will help teachers provide instruction in this theme.
?

Merlot
Find peer reviewed online teaching and learning materials. Share advice and expertise about education with expert colleagues.
http://www.merlot.org/

3DMolSym
3DMolSym is an educational program designed to visualize the symmetry elements of molecules and to animate the corresponding symmetry operations in an interactive 3D environment.
http://molwave.com/software/3dmolsym/3dmolsym.htm