The Sticky Tongues Of Lizards
18 Feb 2008 They are all carnivorous, and indeed some are quite formidable such as the horned toads (Family Leptodactylidae) whi..- 328
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Why A Chameleons Changes Its Color
18 Feb 2008 Actually, the chameleon is constantly changing its color. Chameleons possess in chromatophores (cells that give skin’s c..- 320
general-articles
The Thrust Of An Airplane
18 Feb 2008 Thrust is the force which moves an aircraft through the air. Thrust is used to overcome the drag of an airplane, and t..- 278
speeches
Animatronics
16 Feb 2008 Long before digital effects appeared, animatronics was making cinematic history. Who can forget the scare of the Great W..- 103
speeches
Iron And Its History
16 Feb 2008 (Anglo-Saxon, iron; L. ferrum) Iron was used prehistorically: * Genesis mentions that Tubal-Cain, seven generatio..- 102
speeches
Some Metals That Don't Rust
16 Feb 2008 "Rusting" is a word which is reserved for iron oxidizing, but the other metals will also form oxides. There are many di..- 95
speeches
Can Biofuel Replace Diesel?
16 Feb 2008 An American company, U.S. Sustainable Energy Corp. (USSEC), has developed a patent-pending new biofuel manufacturing pro..- 99
speeches
How Does Reverse Osmosis Work ?
16 Feb 2008 To understand "reverse osmosis," it is probably best to start with normal osmosis. According to Merriam-Webster's Colleg..- 109
speeches
Water Filtration And Purification
16 Feb 2008 Most filters today are charcoal, or activated charcoal. Charcoal, which is mostly carbon, is the residue of partial burn..- 91
speeches
Gasoline: The Newest Biofuel?
16 Feb 2008 What if we could speed up the process of making petroleum for use in our automobiles? Even better: what if we could just..- 97
speeches
How The Computer Processors Works
16 Feb 2008 The function of a CPU is similar to that of a calculator, only much more complex and powerful. The CPU performs arithmet..- 96
speeches
Wheel And Axle
16 Feb 2008 A wheel and axle is a lever that rotates in a circle around a center point or fulcrum. The larger wheel (or outside) rot..- 96
