01 / 15Vogue≈ approximate level B10:01–0:04 .
02 / 15Vogue≈ approximate level A25:46–5:51
.
03 / 15TED≈ approximate level A20:13–0:19
.
04 / 15Vogue≈ approximate level B20:58–1:00
, .
05 / 15Vogue≈ approximate level B112:24–12:34
, , , .
06 / 15TED-Ed≈ approximate level B22:32–2:37
, - .
07 / 15Vogue≈ approximate level B10:52–0:54
, .
08 / 15TED≈ approximate level B11:21–1:30
- .
09 / 15CrashCourse≈ approximate level A23:10–3:17
, , , , .
10 / 15Vogue≈ approximate level A20:14–0:18
: .
11 / 15TED-Ed≈ approximate level A22:15–2:20
:
12 / 15Vogue≈ approximate level B21:55–2:00
, , .
13 / 15Vogue≈ approximate level B11:04–1:08
, .
14 / 15CrashCourse≈ approximate level C18:22–8:27
, .
15 / 15Vogue≈ approximate level C10:39–0:45
, .