01 / 19Big Think≈ niveau approximatifA20:42–0:47 .
02 / 19Lex Clips≈ niveau approximatifA20:40–0:48
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03 / 19The Economist≈ niveau approximatifB21:37–1:42
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04 / 19WIRED≈ niveau approximatifB111:27–11:31
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05 / 19TED≈ niveau approximatifB18:14–8:16
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06 / 19PBS NewsHour≈ niveau approximatifB12:04–2:10
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07 / 19The Economist≈ niveau approximatifB10:28–0:39
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08 / 19PBS NewsHour≈ niveau approximatifC15:24–5:28
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09 / 19The Economist≈ niveau approximatifA22:24–2:29
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10 / 19The Economist≈ niveau approximatifB12:06–2:10
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11 / 19CrashCourse≈ niveau approximatifB210:14–10:23
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12 / 19TED≈ niveau approximatifB14:08–4:16
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13 / 19TED≈ niveau approximatifB27:45–7:48
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14 / 19Big Think≈ niveau approximatifC113:05–13:14
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15 / 19The New Yorker≈ niveau approximatifC10:09–0:16
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16 / 19PBS NewsHour≈ niveau approximatifB22:09–2:24
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17 / 19BBC Ideas≈ niveau approximatifB11:31–1:40
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18 / 19The Economist≈ niveau approximatifC15:54–6:02
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19 / 19PBS NewsHour≈ niveau approximatifC13:18–3:31
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