01 / 21Big Think≈ livello approssimativoB15:03–5:09 , .
02 / 21TED-Ed≈ livello approssimativoB23:05–3:13
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03 / 21Sprouts≈ livello approssimativoB24:13–4:21
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04 / 21TED-Ed≈ livello approssimativoB10:55–0:58
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05 / 21TED≈ livello approssimativoB17:02–7:13
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06 / 21BBC Ideas≈ livello approssimativoB12:10–2:20
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07 / 21TED≈ livello approssimativoB10:19–0:27
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08 / 21Sprouts≈ livello approssimativoB23:23–3:28
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09 / 21TED-Ed≈ livello approssimativoB22:59–3:07
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10 / 21CrashCourse≈ livello approssimativoB14:04–4:14
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11 / 21TED-Ed≈ livello approssimativoB21:01–1:13
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12 / 21CNBC Make It≈ livello approssimativoB23:13–3:23
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13 / 21Sprouts≈ livello approssimativoA20:50–1:00
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14 / 21Sprouts≈ livello approssimativoB26:11–6:24
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15 / 21TED-Ed≈ livello approssimativoB14:13–4:22
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16 / 21Big Think≈ livello approssimativoC15:55–6:08
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17 / 21CrashCourse≈ livello approssimativoB10:01–0:13
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18 / 21CrashCourse≈ livello approssimativoC18:05–8:20
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19 / 21Big Think≈ livello approssimativoC15:25–5:36
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20 / 21TED-Ed≈ livello approssimativoC12:06–2:22
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21 / 21The New Yorker≈ livello approssimativoC11:12–1:29
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