01 / 30TED-Ed≈ approximate level C11:16–1:25 , - , .
02 / 30BBC Ideas≈ approximate level B11:31–1:40
, .
03 / 30Vogue≈ approximate level A20:08–0:12
, .
04 / 30WIRED≈ approximate level B19:07–9:17
, , .
05 / 30BBC Earth≈ approximate level B20:31–0:35
, .
06 / 30The Tonight Show≈ approximate level B23:54–4:00
, .
07 / 30BBC Ideas≈ approximate level C13:05–3:12
, .
08 / 30Big Think≈ approximate level B14:17–4:26
, .
09 / 30TED≈ approximate level A23:08–3:15
- - .
10 / 30TED≈ approximate level B12:46–2:52
, , .
11 / 30CrashCourse≈ approximate level A20:09–0:13
— .
12 / 30Lex Clips≈ approximate level B29:43–9:47
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13 / 30TED≈ approximate level B26:01–6:08
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14 / 30The School of Life≈ approximate level B10:53–1:01
, .
15 / 30TED-Ed≈ approximate level B22:21–2:26
, .
16 / 30CrashCourse≈ approximate level C17:16–7:24
, .
17 / 30TED≈ approximate level C11:52–1:58
, .
18 / 30Vogue≈ approximate level B13:50–3:56
.
19 / 30PBS NewsHour≈ approximate level B11:45–1:53
, .
20 / 30Sprouts≈ approximate level B20:48–0:55
.
21 / 30CrashCourse≈ approximate level B25:21–5:27
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22 / 30Big Think≈ approximate level C10:31–0:37
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23 / 30The New Yorker≈ approximate level A20:50–0:52
.
24 / 30The Economist≈ approximate level A26:44–6:47
.
25 / 30CrashCourse≈ approximate level C111:56–12:04
, .
26 / 30TED-Ed≈ approximate level C11:06–1:14
, , - .
27 / 30TED-Ed≈ approximate level C11:05–1:13
, .
28 / 30CrashCourse≈ approximate level B12:20–2:26
, .
29 / 30CrashCourse≈ approximate level B26:32–6:37
, .
30 / 30CNBC Make It≈ approximate level A26:36–6:43
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