01 / 15TED-Ed≈ niveau approximatifC13:31–3:43 , , - .
02 / 15CNBC Make It≈ niveau approximatifB22:01–2:10
, .
03 / 15CNBC Make It≈ niveau approximatifB22:18–2:28
% , $ .
04 / 15WIRED≈ niveau approximatifB28:22–8:32
, , , , , .
05 / 15TED-Ed≈ niveau approximatifB24:08–4:21
, , , , .
06 / 15BBC Ideas≈ niveau approximatifB20:03–0:13
, 's , .
07 / 15BBC Ideas≈ niveau approximatifB20:09–0:19
, 's , .
08 / 15TED-Ed≈ niveau approximatifB20:45–0:52
, .
09 / 15BBC Earth≈ niveau approximatifC12:34–2:43
, .
10 / 15BBC Ideas≈ niveau approximatifB22:23–2:38
- 's , .
11 / 15PBS NewsHour≈ niveau approximatifC15:46–5:59
, , , 's - .
12 / 15Big Think≈ niveau approximatifB21:44–2:03
, , , , .
13 / 15Big Think≈ niveau approximatifB23:02–3:19
, , .
14 / 15CrashCourse≈ niveau approximatifC13:49–3:57
, .
15 / 15TED-Ed≈ niveau approximatifC11:15–1:35
, : , — — .