This would be great for anyone who wants their students to study what ideas have been picked as "sure things" in the past only to have failed.

Great discussion activities

A respected Swiss scientist, Conrad Gessner, might have been the first to raise the alarm about the effects of information overload. In a landmark book, he described how the modern world overwhelmed people with data and that this overabundance was both "confusing and harmful" to the mind. The media now echo his concerns with reports on the unprecedented risks of living in an "always on" digital environment. It's worth noting that Gessner, for his part, never once used e-mail and was completely ignorant about computers. That's not because he was a technophobe but because he died in 1565. His warnings referred to the seemingly unmanageable flood of information unleashed by the printing press

If you are doing sustainable energy or green living.

Huge list of rubrics and rubric banks.

Lets you create a synchronous trip through websites for your students.  It's a step-by-step guide to finding information.

Need help narrowing your research topic?  or finding search engines that will work hardest for your topic?  Try this.

If you are doing anything that requires students to use music and they are publishing to the web, please consider having them use a site like this to obtain their music.  

Great opportunity to connect 

If you are looking to bring speakers to your classroom, the Peace Corps, as part of their responsibilities, offer educational outreach to schools. You can contact them through this website to set something up.

So cool, yet so sobering.

Some of you have asked for timeline creators in the past.