01 / 30PBS NewsHour≈ approximate level A23:17–3:22 , ?
02 / 30CrashCourse≈ approximate level B17:12–7:16
: ?
03 / 30Big Think≈ approximate level A23:03–3:08
, ?
04 / 30TED≈ approximate level B10:17–0:22
, ?
05 / 30Lex Clips≈ approximate level A20:28–0:36
- : ?
06 / 30SoulPancake≈ approximate level C14:50–4:55
's , ?
07 / 30TED≈ approximate level A26:37–6:42
, ?
08 / 30PBS NewsHour≈ approximate level B14:23–4:28
.
09 / 30PBS NewsHour≈ approximate level A22:21–2:24
, ?
10 / 30Lex Clips≈ approximate level B10:50–0:56
, .
11 / 30WIRED≈ approximate level A23:01–3:07
, " ?"
12 / 30WIRED≈ approximate level A24:03–4:09
, " ?"
13 / 30TED-Ed≈ approximate level B14:27–4:34
- -.
14 / 30NBC News≈ approximate level C10:18–0:21
?
15 / 30BBC Ideas≈ approximate level B20:12–0:17
, ?
16 / 30PBS NewsHour≈ approximate level A22:18–2:21
: , ?
17 / 30Big Think≈ approximate level B211:10–11:15
, .
18 / 30TED≈ approximate level B13:25–3:33
- .
19 / 30Lex Clips≈ approximate level B26:01–6:05
, , , ?
20 / 30PBS NewsHour≈ approximate level B23:51–3:55
, ?
21 / 30PBS NewsHour≈ approximate level B10:56–1:06
, , , , , ?
22 / 30TED≈ approximate level B16:39–6:42
, ?
23 / 30The School of Life≈ approximate level A20:51–0:56
: ?
24 / 30The School of Life≈ approximate level A20:51–0:55
: ?
25 / 30WIRED≈ approximate level B112:44–12:49
, .
26 / 30PBS NewsHour≈ approximate level B15:57–6:06
, , , , ?
27 / 30The Economist≈ approximate level B26:45–6:53
?
28 / 30TED≈ approximate level A26:41–6:46
, .
29 / 30Vanity Fair≈ approximate level C10:10–0:16
.
30 / 30TED≈ approximate level A20:04–0:07
.