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04:57 Design, Engineering & Technology Could we build a wooden skyscraper? Lesson duration 04:57 1,430,766 Views
05:22 Environmental Science Is the weather actually becoming more extreme? Lesson duration 05:22 621,647 Views
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03:38 Social Studies What you might not know about the Declaration of Independence Lesson duration 03:38 2,239,359 Views
04:43 Science & Technology Why mosquitoes bite some people more than others Lesson duration 04:43 1,482,641 Views
