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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 »
  • The Mechanics of Breathing Learn how Boyle's law and the structure of the respiratory system govern the mechanics of breathing. View »
  • Infographic: Ecosystem Services Clean water, pollination, and flood control are several of the free services that ecosystems provide to human kind. This infographic shows how ecosystem service provide huge economic and health benefits to humans. View »
  • Human Body: Endocrine System Teach the functions of the endocrine system with this infographic. View »
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