01 / 17Sprouts≈ livello approssimativoB24:13–4:19 , .
02 / 17TED-Ed≈ livello approssimativoB12:02–2:11
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03 / 17TED≈ livello approssimativoC15:12–5:22
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04 / 17TED-Ed≈ livello approssimativoB23:27–3:36
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05 / 17CrashCourse≈ livello approssimativoA21:00–1:09
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06 / 17PBS NewsHour≈ livello approssimativoB13:48–3:56
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07 / 17TED≈ livello approssimativoB23:02–3:10
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08 / 17BBC Ideas≈ livello approssimativoB14:29–4:36
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09 / 17TED-Ed≈ livello approssimativoB12:41–2:49
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10 / 17TED-Ed≈ livello approssimativoB24:04–4:10
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11 / 17Big Think≈ livello approssimativoC12:10–2:26
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12 / 17PBS NewsHour≈ livello approssimativoB16:39–6:49
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13 / 17PBS NewsHour≈ livello approssimativoB24:21–4:32
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14 / 17WIRED≈ livello approssimativoC19:53–10:05
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15 / 17CrashCourse≈ livello approssimativoB20:28–0:40
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16 / 17BBC Ideas≈ livello approssimativoC14:15–4:30
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17 / 17BBC Ideas≈ livello approssimativoC11:06–1:19
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