01 / 16TED≈ perkiraan levelB15:13–5:23 ’s -- ’s , ’s .
02 / 16TED-Ed≈ perkiraan levelB13:11–3:20
, , .
03 / 16WIRED≈ perkiraan levelA213:18–13:23
, .
04 / 16TED-Ed≈ perkiraan levelB22:27–2:39
, , , .
05 / 16CrashCourse≈ perkiraan levelA27:31–7:36
, , … .
06 / 16Sprouts≈ perkiraan levelB14:18–4:25
, , .
07 / 16Sprouts≈ perkiraan levelB20:33–0:39
, .
08 / 16TED≈ perkiraan levelB14:26–4:41
, , .
09 / 16CrashCourse≈ perkiraan levelB16:35–6:43
, — — -.
10 / 16Big Think≈ perkiraan levelA22:13–2:18
, .
11 / 16The School of Life≈ perkiraan levelB22:26–2:32
, .
12 / 16TED-Ed≈ perkiraan levelC12:15–2:24
, , .
13 / 16Big Think≈ perkiraan levelB21:44–2:03
, , , , .
14 / 16Big Think≈ perkiraan levelC15:14–5:19
, , , .
15 / 16Big Think≈ perkiraan levelC13:20–3:29
, , , .
16 / 16CNBC Make It≈ perkiraan levelB25:40–5:50
.