About TED-Ed：回饋循環：萬物如何去依循 results of 10,000
08:33
11:21
05:57![Brian Cox — Why we need the explorers [Multi sub]](https://thumbnail.voicetube.com/w/480/h/270/Ws9_mjr3gak.jpg)
16:30
03:58
52:50
03:41
08:42
04:19
10:21
11:28
12:33
18:05
03:18
08:25
23:13
02:53
03:55
04:27
05:21
03:15
04:20
02:39
05:31
07:41
16:31
03:02
04:21
07:35
10:00
03:49
25:56
04:02
14:54
31:30
16:19
02:04
17:02
10:06
04:47
05:30
07:42
07:46
00:58
13:15
04:40