When I came across this I was so excited. A global science fair is such a neat idea. As a teacher it enables me to teach ICT literacy skills, the scientific method, and global awareness all together! It gives students an exciting audience. There are even lessons and resources supplied @ http://www.google.com/events/sciencefair/educators.html to make bringing this into the classroom even easier. Everyone teaching science to children ages 13-18 should take a look.