Books, Brochures, and Chapters>Book: Capra , Fritjof (1997-09-15), The Web of Life: A New Scientific Understanding of Living Systems, Anchor, Retrieved on 2012-01-30Source Material [books.google.com]
Folksonomies: body Memes
30 JAN 2012
Trees are Made of Air
By blending water and minerals from below with sunlight and CO2 from above, green plants link the earth to the sky. We tend to believe that plants grow out of the soil, but in fact most of their substance comes from the air. The bulk of the cellulose and the other organic compounds produced through photosynthesis consists of heavy carbon and oxygen atoms, which plants take directly from the air in the form of CO2. Thus the weight of a wooden log comes almost entirely from the air. When we bur...Sounds much like the Richard Feynman quote.