01 / 10TED-Ed≈ approximate level C14:38–4:47 , .
02 / 10CNBC Make It≈ approximate level C10:21–0:26
.
03 / 10Sprouts≈ approximate level B12:19–2:27
, .
04 / 10Big Think≈ approximate level B19:35–9:43
, , .
05 / 10Sprouts≈ approximate level B21:29–1:37
, , .
06 / 10Sprouts≈ approximate level B12:58–3:06
, .
07 / 10Sprouts≈ approximate level B22:06–2:16
— , , .
08 / 10Big Think≈ approximate level B18:09–8:24
, , , .
09 / 10CrashCourse≈ approximate level C15:27–5:36
’s : , .
10 / 10TED≈ approximate level B26:12–6:27
, , , .