Explore the wonders of science with the very best of guides

Have you ever wished that you could observe underwater creatures undetected? Or watch the very moment a caterpillar becomes a butterfly? Or create your own rain? Well, with Scientific American Great Science Fair Projects, you can Enter the fascinating world of Scientific American--the ultimate science authority--and learn how to build an underwater periscope, photograph a lunar eclipse, grow hydroponic plants, and much, much more From creating your own non-newtonian fluids (slime, putty, and goop ) to teaching a sow...