01 / 11TED≈ approximate level B10:26–0:31 ’s .
02 / 11TED≈ approximate level B27:07–7:14
, , .
03 / 11CrashCourse≈ approximate level B21:32–1:37
, , .
04 / 11CrashCourse≈ approximate level B10:48–0:55
, , , .
05 / 11Sprouts≈ approximate level B22:06–2:12
, , , .
06 / 11CrashCourse≈ approximate level B11:06–1:10
, .
07 / 11TED≈ approximate level A20:03–0:12
, , , 's ' .
08 / 11CNBC Make It≈ approximate level B20:51–0:53
, .
09 / 11BBC Ideas≈ approximate level A21:35–1:42
, , .
10 / 11PBS NewsHour≈ approximate level C14:12–4:26
, , , , .
11 / 11CrashCourse≈ approximate level C10:57–1:06
, — ’ ” , , , .