01 / 21Big Think≈ approximate level B26:20–6:26 .
02 / 21Sprouts≈ approximate level B21:18–1:26
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03 / 21CrashCourse≈ approximate level B15:50–5:57
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04 / 21CNBC Make It≈ approximate level B10:23–0:27
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05 / 21BBC Ideas≈ approximate level B20:59–1:09
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06 / 21TED-Ed≈ approximate level B11:57–2:02
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07 / 21CNBC Make It≈ approximate level B26:40–6:44
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08 / 21TED-Ed≈ approximate level B23:01–3:09
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09 / 21CrashCourse≈ approximate level B22:32–2:37
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10 / 21TED≈ approximate level C15:49–5:58
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11 / 21CrashCourse≈ approximate level B10:22–0:36
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12 / 21CrashCourse≈ approximate level B12:20–2:26
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13 / 21Big Think≈ approximate level C14:54–5:00
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14 / 21SoulPancake≈ approximate level C11:38–1:42
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15 / 21TED≈ approximate level B23:53–3:59
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16 / 21TED≈ approximate level B13:45–3:48
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17 / 21Sprouts≈ approximate level B11:10–1:18
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18 / 21BBC Ideas≈ approximate level B20:41–0:55
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19 / 21TED-Ed≈ approximate level C12:46–2:59
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20 / 21TED-Ed≈ approximate level B11:37–1:49
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21 / 21The Daily Show≈ approximate level B23:34–3:45
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