01 / 9CrashCourse≈ approximate level C14:40–4:43 .
02 / 9StoryCorps≈ approximate level B22:14–2:18
… : !
03 / 9Vanity Fair≈ approximate level B10:28–0:31
.
04 / 9CrashCourse≈ approximate level B113:01–13:10
: .
05 / 9The School of Life≈ approximate level B11:17–1:25
’s : ‘’s , , , ’s .’
06 / 9PBS NewsHour≈ approximate level C13:13–3:19
.
07 / 9TED-Ed≈ approximate level A25:34–5:45
, — — .
08 / 9Vanity Fair≈ approximate level B19:02–9:15
.
09 / 9BBC Ideas≈ approximate level B14:36–4:46
- , , .