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07:10 Design, Engineering & Technology Can we create the "perfect" farm? Lesson duration 07:10 2,635,781 Views
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04:54 Science & Technology Why are earthquakes so hard to predict? Lesson duration 04:54 1,369,248 Views
05:24 Design, Engineering & Technology Why isn’t the Netherlands underwater? Lesson duration 05:24 3,681,008 Views
04:31 Social Studies From pacifist to spy: WWII’s surprising secret agent Lesson duration 04:31 1,429,863 Views
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