01 / 11Big Think≈ livello approssimativoA20:19–0:22 's , .
02 / 11TED≈ livello approssimativoA26:01–6:05
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03 / 11The Economist≈ livello approssimativoB17:43–7:46
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04 / 11BBC Ideas≈ livello approssimativoA24:07–4:21
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05 / 11BBC Ideas≈ livello approssimativoB24:39–4:43
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06 / 11The Economist≈ livello approssimativoB10:19–0:21
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07 / 11Vanity Fair≈ livello approssimativoA20:50–0:56
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08 / 11Big Think≈ livello approssimativoB20:00–0:06
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09 / 11The Economist≈ livello approssimativoB25:38–5:49
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10 / 11Sprouts≈ livello approssimativoC13:12–3:23
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11 / 11CrashCourse≈ livello approssimativoB23:20–3:30
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