Here are some great posts and resources to check out:
Creating a Personal Learning Network - a personal learning network is vital for all educators. Learn how to get yours started.
Google Body Browser - 3D layered image of human body. Great for Anatomy and Biology.
Professional Development ideas (for almost no cost)
10 Great Free Resources from Discovery Education
Interactive Periodic Table of the Elements
Google Science Fair is coming!!
Science Resources for science teachers
Who's Responsible for Failing Students? Everyone
Getting Started with Educational Technology
Getting Started with Project Based Learning