Who ever said being a scientific guinea pig couldn't be educational? With Steam for Schools, teachers can now use Portal 2's level editor to create lessons focused on boosting critical thinking, spatial reasoning and problem solving skills. Announced at the Games for Change festival in New York City, the educator edition of Steam comes with a free copy of Portal 2 and the Portal 2 Puzzle Maker. Students and teachers alike can use the tools to create puzzles, but distribution is handled by teachers alone. (That's right, kids -- no
