These are the previous (and current) science-project ideas published in the South Hill (Va) Enterprise

No. Title 1 Stems & Transpiration 2 Detecting Natural Sunscreens 3 Making Self-Sterilizing Buildings 4 Isolating Strawberry DNA 5 Where does red come from in fall colors? 6 Precise orientation of the Egyptian pyramids 7 Better antiseptics 8 Better vaccines 9 Taking water to new heights! 10 Measuring a new force in nature? 11 What is the basis of "Chlorosis" 12 Winning boat races! 13 Raw meat 14 Lichens take a drink 15 All about controlling lactase activity 16 Do you want really clean hands? 17 What's the function of albumin in blood and egg whites? 18 Your own perhistoric cave paintings. 19 Hurricane resistant houses 20 Determining ants' favorite food? 21 The Great Plant Race 22 Biodegradation and Bioremediation 23 Finding the mathematical equation for energy spectrum of radioisotope decay 24 The Geometry of Jupiter, its Family of Moons, and of the Solar System 25 Bacterial-assisted metal corrosion 26 Building Better Bulsa Bridges 27 Thermodynamics for preschoolers - Part 1 28 Thermodynamics for preschoolers - Part 2 29 Safe Drinks in History 30 Mini-Kites, a step towards unmanned mini-airplanes 31 Beach chromatography, and measuring beach erosion

These are a few of the future science-project ideas waiting in the wings!

32 Tree Ring Studies ("Dendrochronology") 33 Water adhesion 34 Bess Beetles' strength 35 An elementary submarine 36 Vegetarian batteries 37 Crash barriers 38 Understanding the chance of accident 39 Are ducks and geese colorblind? 40 Which can hold more heat - light or heavy atoms? 41 Ripped off electrons 42 Your funny eyes 43 Measuring the size of H3O+ 44 Does salty water really have so little hydrogen in it? 45 The mystery of asymmetrical bouncing 46 How much osmotic pressure can you get? 47 Pus: what good is it? 48 Making a sedimentation machine to sort microscopic things 49 Surface tension: what's it all about? 50 Persistantly crazy twisting plants 51 Catalase phylogeny 52 Stress effects on lac-operon expression