01 / 30TED≈ approximate level B25:44–5:50 , , .
02 / 30Lex Clips≈ approximate level A24:57–5:04
, , , .
03 / 30Vogue≈ approximate level B28:16–8:18
, .
04 / 30StoryCorps≈ approximate level C10:56–0:59
, .
05 / 30CrashCourse≈ approximate level B18:37–8:43
, — ’s .
06 / 30CNBC Make It≈ approximate level B12:34–2:40
, .
07 / 30PBS NewsHour≈ approximate level C11:05–1:13
, .
08 / 30CrashCourse≈ approximate level A212:19–12:24
, .
09 / 30TED-Ed≈ approximate level B10:42–0:50
’s , .
10 / 30TED-Ed≈ approximate level C14:45–4:52
, .
11 / 30Sprouts≈ approximate level B17:34–7:42
, , .
12 / 30CNBC Make It≈ approximate level B22:15–2:22
, , , .
13 / 30CNBC Make It≈ approximate level B27:13–7:18
, 's .
14 / 30PBS NewsHour≈ approximate level A21:07–1:12
, .
15 / 30CrashCourse≈ approximate level B12:20–2:26
, .
16 / 30Sprouts≈ approximate level A20:30–0:34
, .
17 / 30TED≈ approximate level B18:24–8:30
, , ?
18 / 30The School of Life≈ approximate level B25:15–5:20
, .
19 / 30BBC Earth≈ approximate level A20:00–0:05
, .
20 / 30BBC Earth≈ approximate level B21:58–2:06
, .
21 / 30Vogue≈ approximate level A28:17–8:20
, .
22 / 30WIRED≈ approximate level A21:09–1:11
, .
23 / 30Vogue≈ approximate level B10:39–0:45
, , .
24 / 30Sprouts≈ approximate level B21:46–1:52
, .
25 / 30CrashCourse≈ approximate level A210:57–11:04
, , .
26 / 30The Daily Show≈ approximate level B18:15–8:20
, .
27 / 30CrashCourse≈ approximate level B14:31–4:38
, .
28 / 30NBC News≈ approximate level B21:19–1:25
, .
29 / 30Sprouts≈ approximate level B12:21–2:31
, .
30 / 30CrashCourse≈ approximate level B12:32–2:39
, ’s .