01 / 21TED≈ perkiraan levelA24:06–4:11 ’s .
02 / 21The School of Life≈ perkiraan levelC10:36–0:40
.
03 / 21BBC Ideas≈ perkiraan levelA21:05–1:10
, .
04 / 21PBS NewsHour≈ perkiraan levelA21:16–1:21
, -.
05 / 21BBC Ideas≈ perkiraan levelC12:59–3:04
, .
06 / 21WIRED≈ perkiraan levelC14:20–4:24
, .
07 / 21CNBC Make It≈ perkiraan levelB15:54–5:57
.
08 / 21BBC Earth≈ perkiraan levelB11:45–1:50
, .
09 / 21StoryCorps≈ perkiraan levelB21:30–1:34
’s .
10 / 21TED≈ perkiraan levelC15:19–5:24
.
11 / 21BBC Ideas≈ perkiraan levelA21:03–1:05
.
12 / 21PBS NewsHour≈ perkiraan levelB11:19–1:28
: -- .
13 / 21TED-Ed≈ perkiraan levelB23:22–3:28
, , .
14 / 21Vanity Fair≈ perkiraan levelC13:35–3:40
, .
15 / 21The Economist≈ perkiraan levelB12:13–2:23
% 's .
16 / 21TED-Ed≈ perkiraan levelC10:48–1:05
, ’s ; ; , , .
17 / 21CrashCourse≈ perkiraan levelC12:41–2:48
, ’s .
18 / 21PBS NewsHour≈ perkiraan levelC13:29–3:40
: , , , , .
19 / 21The Late Show≈ perkiraan levelC16:49–6:59
, .
20 / 21CrashCourse≈ perkiraan levelB210:15–10:26
, — — , , .
21 / 21TED≈ perkiraan levelC12:43–2:51
, , , .