01 / 22CrashCourse≈ approximate level A28:42–8:47 .
02 / 22CrashCourse≈ approximate level B212:17–12:21
.
03 / 22CrashCourse≈ approximate level B113:01–13:05
.
04 / 22CrashCourse≈ approximate level B13:40–3:45
.
05 / 22CrashCourse≈ approximate level B111:44–11:48
.
06 / 22WIRED≈ approximate level A28:57–9:03
.
07 / 22CrashCourse≈ approximate level A20:57–1:01
.
08 / 22CrashCourse≈ approximate level C11:04–1:09
, .
09 / 22Big Think≈ approximate level B20:00–0:06
, .
10 / 22WIRED≈ approximate level A22:24–2:29
, , , .
11 / 22Lex Clips≈ approximate level B11:22–1:30
, , ?
12 / 22The New Yorker≈ approximate level A21:56–2:05
, , 's .
13 / 22Big Think≈ approximate level B21:25–1:33
, , .
14 / 22Big Think≈ approximate level B22:02–2:06
.
15 / 22CrashCourse≈ approximate level A22:00–2:08
: .
16 / 22TED≈ approximate level B13:38–3:48
, , .
17 / 22PBS NewsHour≈ approximate level B10:13–0:20
, .
18 / 22The New Yorker≈ approximate level B12:18–2:23
, .
19 / 22The New Yorker≈ approximate level A21:14–1:18
.
20 / 22CrashCourse≈ approximate level A213:10–13:16
, — ’s .
21 / 22The Late Show≈ approximate level B10:16–0:22
, , .
22 / 22PBS NewsHour≈ approximate level B20:00–0:09
: , " ," .