21st Century Skills Book
http://www.21stcenturyskillsbook.com/media.php

Cooperative Learning Strategies
http://edtech.kennesaw.edu/intech/cooperativelearning.htm#activities

Thinking Big About Engagement - Assessment
http://www.edutopia.org/stw-assessment-authentic-student-engagement-video

PBS Teachers
http://www.pbs.org/teachers/

John Tierney's Science Column for New York Times
http://topics.nytimes.com/top/reference/timestopics/people/t/john_tierney/index.html

Live Science
http://www.livescience.com/

Mindset Works Student Motivation Through Growth Mindset (opposite: Fixed Mindset)
http://www.mindsetworks.com/default.aspx