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03:40 Science & Technology NASA at Saturn: Cassini's Grand Finale Lesson duration 03:40 Manage Library 5,347,688 Views
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04:41 Thinking & Learning Are Boys Smarter Than Girls? Lesson duration 04:41 Manage Library 6,943,903 Views
05:13 Problem Solving Can you solve the virus riddle? Lesson duration 05:13 Manage Library 12,850,937 Views
05:53 History How Magellan circumnavigated the globe Lesson duration 05:53 Manage Library 1,708,627 Views
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04:37 Cognition and Learning Why do people get so anxious about math? Lesson duration 04:37 Manage Library 2,913,089 Views
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05:04 Earth and Space Science Are there dead wasps in figs? Lesson duration 05:04 Manage Library 5,515,764 Views
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