01 / 29BBC Ideas≈ approximate level B20:32–0:37 , , .
02 / 29TED≈ approximate level B25:00–5:09
, 's .
03 / 29BBC Ideas≈ approximate level B12:21–2:24
, .
04 / 29The School of Life≈ approximate level C10:12–0:18
, .
05 / 29TED-Ed≈ approximate level B10:57–1:07
, , .
06 / 29Lex Clips≈ approximate level B11:18–1:23
, , , , , , , .
07 / 29CNBC Make It≈ approximate level A27:42–7:45
, .
08 / 29Sprouts≈ approximate level A21:39–1:44
, .
09 / 29WIRED≈ approximate level C113:22–13:24
, .
10 / 29BBC Ideas≈ approximate level A21:36–1:43
, , .
11 / 29Big Think≈ approximate level B10:14–0:19
, .
12 / 29TED-Ed≈ approximate level B10:47–0:53
, , .
13 / 29TED≈ approximate level B10:41–0:47
, , , , .
14 / 29Sprouts≈ approximate level B12:55–3:01
"" "" .
15 / 29TED≈ approximate level A20:42–0:53
, , , ?
16 / 29TED≈ approximate level A25:50–5:52
, , .
17 / 29BBC Earth≈ approximate level B12:46–2:49
, , .
18 / 29TED-Ed≈ approximate level B21:01–1:13
, , .
19 / 29WIRED≈ approximate level A26:52–6:59
, , .
20 / 29TED≈ approximate level C19:22–9:33
, , , .
21 / 29BBC Ideas≈ approximate level C11:25–1:31
, , .
22 / 29Lex Clips≈ approximate level B11:19–1:24
, , .
23 / 29TED-Ed≈ approximate level B20:35–0:42
, , .
24 / 29TED-Ed≈ approximate level B21:54–2:04
, , , — — .
25 / 29TED-Ed≈ approximate level B14:13–4:22
, , .
26 / 29The Economist≈ approximate level B21:51–2:01
, , , , .
27 / 29The School of Life≈ approximate level B21:19–1:30
, ’s : .
28 / 29The Tonight Show≈ approximate level A21:44–1:47
, .
29 / 29Lex Clips≈ approximate level B27:03–7:15
, , .