01 / 15CrashCourse≈ niveau approximatifB22:08–2:14 , “” .
02 / 15CrashCourse≈ niveau approximatifB10:44–0:50
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03 / 15CrashCourse≈ niveau approximatifB12:50–2:58
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04 / 15TED-Ed≈ niveau approximatifB22:56–3:07
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05 / 15TED-Ed≈ niveau approximatifB20:19–0:32
, .
06 / 15TED-Ed≈ niveau approximatifB24:41–4:54
, ’s , .
07 / 15BBC Ideas≈ niveau approximatifC11:46–1:57
, , .
08 / 15CrashCourse≈ niveau approximatifB21:13–1:22
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09 / 15Sprouts≈ niveau approximatifB20:00–0:10
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10 / 15CrashCourse≈ niveau approximatifC16:09–6:20
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11 / 15CrashCourse≈ niveau approximatifB21:54–2:01
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12 / 15WIRED≈ niveau approximatifB19:17–9:25
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13 / 15The New Yorker≈ niveau approximatifB21:14–1:24
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14 / 15CNBC Make It≈ niveau approximatifC12:18–2:27
's , , 's -, , .
15 / 15TED≈ niveau approximatifC11:06–1:17
- , , ?