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from MNN - Mother Nature Network

Canine chemistry: Dogs teach science

from About.com Education

Chemistry Help Videos

Do you have any tales to tell of lab experiments gone very wrong or lab accidents you have witnessed? What is the most dangerous thing you have ever seen someone do in a lab? Here's your chance to share.

Human Body Ingredients via imaginaryfoundation: 'The average human has approximately 100 trillion cells and each cell is made of approximately 100 trillion atoms, each of which were originally created in the center of a star...' Here it is by mass: http://chemistry.about.com/od/lecturenoteslab1/a/Elemental-Composition-Of-The-Human-Body-By-Mass.htm #Infographic #Science #Human_Body #Chemical_Composition