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Inventions and Investigations Inventions and Investigations explores the fascinating scientific processesused by inventors throughout history. You will learn about everything from thefirs... »
Graphing Energy How much energy does the whole world use? Which country generates the mosthydroelectric power? What is biofuel? Real World Data presents informationabout fam... »
Classifying Mammals What makes a mammal a mammal? How is a lion different from a dolphin? What is aprimate? Classifying Living Things investigates how and why we group animals.E... »
Designing Greener Vehicles & Buildings Why do we need greener buildings? What is a carbon footprint? How can computeraided design help reduce our energy use? The Why Science Matters seriesdemonstr... »