01 / 23TED≈ approximate level B27:29–7:31 .
02 / 23Big Think≈ approximate level A23:27–3:32
, .
03 / 23PBS NewsHour≈ approximate level B26:10–6:15
, .
04 / 23PBS NewsHour≈ approximate level B25:29–5:34
, .
05 / 23WIRED≈ approximate level B13:37–3:41
, ?
06 / 23PBS NewsHour≈ approximate level B26:49–6:58
, 's , .
07 / 23The Daily Show≈ approximate level B19:13–9:16
.
08 / 23TED≈ approximate level B26:01–6:08
, , .
09 / 23TED≈ approximate level B10:29–0:33
.
10 / 23The Late Show≈ approximate level C14:01–4:06
.
11 / 23TED≈ approximate level B10:36–0:40
.
12 / 23The Tonight Show≈ approximate level C11:45–1:50
, .
13 / 23CrashCourse≈ approximate level C14:13–4:21
.
14 / 23TED-Ed≈ approximate level B22:02–2:08
, , , .
15 / 23BBC Ideas≈ approximate level B22:32–2:38
, .
16 / 23CrashCourse≈ approximate level B24:07–4:13
, .
17 / 23The Late Show≈ approximate level C11:27–1:29
.
18 / 23Vanity Fair≈ approximate level B14:14–4:15
.
19 / 23Vanity Fair≈ approximate level B13:58–4:03
, , .
20 / 23CrashCourse≈ approximate level C10:15–0:23
, , ’s .
21 / 23The Economist≈ approximate level B22:16–2:32
's .
22 / 23The Economist≈ approximate level C16:38–6:46
.
23 / 23Big Think≈ approximate level C12:29–2:36
, , .