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Vicki Davis 18 Sep 11 12:21:46The physics game "portal" is free until sept 20. Download now.

This is still in beta, but this site includes pictures, videos and other cool stuff from the Smithsonian Institution and other sources, all about the ocean and what is in it.

"ChemMatters Videos"

"Global Challenges/Chemistry Solutions (GC/CS) is an ambitious project, launched by ACS in 2008, to identify the world's most pressing sustainability challenges, and explore the solutions emerging from chemistry. View the original report. Updated constantly, this website and podcast, available on iTunes, monitors scientific developments and breakthroughs in the global struggle for sustainability. GC/CS is an ongoing saga of chemistry for life - chemistry that truly matters."

Investigate the world of atoms and molecules through hands-on inquiry-based activities and molecular model animations.