01 / 12Big Think≈ niveau approximatifC11:15–1:20 , .
02 / 12CNBC Make It≈ niveau approximatifB12:57–3:05
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03 / 12Big Think≈ niveau approximatifB12:34–2:39
.
04 / 12CrashCourse≈ niveau approximatifB15:12–5:23
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05 / 12TED≈ niveau approximatifA25:09–5:15
.
06 / 12TED≈ niveau approximatifB15:50–5:56
, , , .
07 / 12TED≈ niveau approximatifB111:00–11:12
, , , , .
08 / 12CrashCourse≈ niveau approximatifB22:18–2:25
, .
09 / 12PBS NewsHour≈ niveau approximatifB22:27–2:40
, , , , , .
10 / 12CNBC Make It≈ niveau approximatifC12:14–2:19
.
11 / 12TED≈ niveau approximatifC112:11–12:25
, -- , , .
12 / 12Big Think≈ niveau approximatifC10:58–1:07
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