01 / 16TED≈ approximate level B15:13–5:23 ’s -- ’s , ’s .
02 / 16TED-Ed≈ approximate level B13:11–3:20
, , .
03 / 16WIRED≈ approximate level A213:18–13:23
, .
04 / 16TED-Ed≈ approximate level B22:27–2:39
, , , .
05 / 16CrashCourse≈ approximate level A27:31–7:36
, , … .
06 / 16Sprouts≈ approximate level B14:18–4:25
, , .
07 / 16Sprouts≈ approximate level B20:33–0:39
, .
08 / 16TED≈ approximate level B14:26–4:41
, , .
09 / 16CrashCourse≈ approximate level B16:35–6:43
, — — -.
10 / 16Big Think≈ approximate level A22:13–2:18
, .
11 / 16The School of Life≈ approximate level B22:26–2:32
, .
12 / 16TED-Ed≈ approximate level C12:15–2:24
, , .
13 / 16Big Think≈ approximate level B21:44–2:03
, , , , .
14 / 16Big Think≈ approximate level C15:14–5:19
, , , .
15 / 16Big Think≈ approximate level C13:20–3:29
, , , .
16 / 16CNBC Make It≈ approximate level B25:40–5:50
.