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Published on Jul 17, 2012
Read the full experiment at http://www.stevespanglerscience.com/e... Graffiti is an oft discussed topic of debate in the modern world. While some consider graffiti a nuisance, others consider it street art. With that debate still raging, we suggest performing the Moss Graffiti experiment on a wall or piece of particle board that you have permission to use. Once you've received that permission, you'll create a beautiful growing, green work of art.