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  • Hydroponics Using a nutrient-rich water solution and a unique, time-tested approach, you can successfully grow plants with no soil. In a hydroponic system, water does the work. Find out more about this fascinating method and the advantages that make it both appealing and effective. View »
  • Give Your Students Real-World Experiences with Authentic CSI Tools Put the fun into forensic science and apply STEM principles with authentic CSI tools. Your students will enjoy investigating the scene of a crime. And who knows? You might even inspire them to pursue forensic science as a career. View »
  • Infographic: Simple Machines This infographic profiles four of the six simple machines: inclined plane, pulley, lever, wheel and axle. View »
  • Gravity This brief introduction to gravity explores Newton's law of gravitation, Einstein's theory of general relativity, and quantum gravity. View »
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