01 / 15Big Think≈ niveau approximatifA20:04–0:14 , , , .
02 / 15TED-Ed≈ niveau approximatifC12:29–2:36
, , .
03 / 15Lex Clips≈ niveau approximatifB21:45–1:50
, , .
04 / 15CrashCourse≈ niveau approximatifA20:50–0:52
-.
05 / 15PBS NewsHour≈ niveau approximatifC10:48–0:53
, 's .
06 / 15The Late Show≈ niveau approximatifA22:09–2:22
, .
07 / 15The Daily Show≈ niveau approximatifA20:00–0:02
.
08 / 15CrashCourse≈ niveau approximatifB20:52–1:01
, , .
09 / 15The Late Show≈ niveau approximatifA22:20–2:22
.
10 / 15WIRED≈ niveau approximatifB15:50–5:54
.
11 / 15TED≈ niveau approximatifC11:16–1:27
, , .
12 / 15The Daily Show≈ niveau approximatifB26:39–6:52
, - , , , , .
13 / 15Lex Clips≈ niveau approximatifC13:07–3:21
, , , , .
14 / 15PBS NewsHour≈ niveau approximatifB20:17–0:25
, , , 's 's .
15 / 15BBC Ideas≈ niveau approximatifC11:03–1:15
, , , .