I get the PBS Teacherline newsletter because they use Who Hops? for one of their courses. In the latest issue I just found free webinar archives that seem to me to be a teacher’s treasure trove! Just click here to see to them. They have stuff like …

• A Fresh Look at Teaching The Diary of Anne Frank 
• Celebrating the 40th Anniversary of Earth Day 
• Education in the Digital Age: A Tour ofFRONTLINE‘s Digital Nation