Useful Web Links:

Here are a number of interesting and useful links that I have discovered or been told about. Personally, I manage my links through Delicious which does a very good job. One can  bookmark a new site with one click and add some searchable comments/ tags. 

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European Patent Office
Google Patents
LinkedIn- great networking site
PatentStorm - site to search US patents
Royal Canadian Institute for the Advancement of Science - a non-profit organization enhancing public awareness about science. (I currently serve on the RCI Council.)  
Today in Science - a collection of scientific milestones for today's date (births, deaths, milestones) 
US Patent and Trademarks Office
TSX, Toronto Stock Exchange, TSX Venture 
Discovery Education - Teacher resources
The Journal of the Centre of Teaching and Learning Excellence 
100 Best YouTube Videos for Teachers
Edutopia 
10 YouTube Videos Every Entrepreneur Should Watch | Inc.com 
Visual Business Intelligence - Periodic table of visualization methods
Quality Learning: Creating a Vision, Successful schools
Da Vinci Inventions
Best Chess Games of All Time
Calorie Counter Database
Wordle - a great site for building your own word clouds
Clker - the online royalty free public domain clip art
BSharp - interesting stuff on the physics everyday stuff 
My Financial Awareness - fantastic site covering all aspects of personal finances