01 / 12Big Think≈ niveau approximatifC13:53–3:56 ?
02 / 12Big Think≈ niveau approximatifB24:02–4:08
, ", ."
03 / 12TED≈ niveau approximatifB112:03–12:11
.
04 / 12Vogue≈ niveau approximatifC14:00–4:03
?
05 / 12Sprouts≈ niveau approximatifB23:51–3:58
!
06 / 12CrashCourse≈ niveau approximatifA21:58–2:03
, , .
07 / 12StoryCorps≈ niveau approximatifC10:29–0:38
, , , .
08 / 12PBS NewsHour≈ niveau approximatifA21:15–1:22
, , .
09 / 12Lex Clips≈ niveau approximatifC14:59–5:06
, , ...
10 / 12TED≈ niveau approximatifB111:00–11:12
, , , , .
11 / 12Big Think≈ niveau approximatifB22:33–2:46
, “ ” , , .
12 / 12The Economist≈ niveau approximatifB21:10–1:21
, , .