What Is Biogas?
04 Feb 2008 Biogas is actually a mixture of gases, usually carbon dioxide and methane. It is produced by a few kinds of microorganis..- 95
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How Barks Protect Trees
04 Feb 2008 Bark: It is defined by the American Heritage Dictionary as "the outer covering of the woody stems, branches, roots, and ..- 102
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Commensalism
02 Feb 2008 Commensialism means literally 'at table together'. This is a symbiotic relationship between two species in which one spe..- 83
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Protozoan Parasites
02 Feb 2008 Cryptosporidium parvum The cysts of Cryptosporidium are of increasing importance because of their presence in water s..- 93
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The Human Spinal Cord
02 Feb 2008 The spinal cord is located in the vertebral foramen and is made up of 31 segments: 8 cervical, 12 thoracic, 5 lumbar, 5 ..- 92
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Chicken Fat Converted Into Biodiesel Using Supercritical Methanol
02 Feb 2008 Chemical engineering researchers at the University of Arkansas have investigated supercritical methanol as a method of c..- 102
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How A Device Uses Sewerage To Produce Electricity
01 Feb 2008 Microbial fuel cells, which harness the power of bacteria, are not a new phenomenon. Researchers have studied them for y..- 95
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How The Refrigerator Works
01 Feb 2008 Why does it feel cold when rubbing alcohol evaporates from your skin? Evaporation of a liquid takes away heat. As the ru..- 94
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Five Sense Organs Of Newly Borns
31 Jan 2008 The five senses – sight, smell, taste, hearing, and touch – are mostly developed at birth. Your baby begins using his or..- 91
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Rising Carbon Dioxide Good For Plants
30 Jan 2008 One of the best-kept secrets in the global warming debate is that the plant life of Planet Earth would benefit greatly f..- 96
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The Birth of Television III
30 Jan 2008 The RCA legal guns were quite experienced in these kinds of battles. They attacked the Farnsworth patents in the U.S. Pa..- 72
