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04:01 Life Sciences The simple story of photosynthesis and food Lesson duration 04:01 1,937,179 Views
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02:41 Science & Technology Learn about the universe (that's everything, right?) Lesson duration 02:41 1,775,118 Views
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16:30 Public Health The danger of science denial - Michael Specter Lesson duration 16:30 74,268 Views
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23:38 Nature of Science Science can answer moral questions - Sam Harris Lesson duration 23:38 119,534 Views
