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05:31 Design, Engineering & Technology Why don’t we get our drinking water from the ocean? Lesson duration 05:31 731,188 Views
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05:21 Health You might be surprised by what you'd find in your pores Lesson duration 05:21 322,019 Views
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05:04 Science & Technology Is the Amazon Rainforest disappearing? Lesson duration 05:04 234,615 Views
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06:31 Health One of the most controversial medical procedures in history Lesson duration 06:31 679,073 Views
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