Marine scientists are listening to the oceans as never before using an autonomous submarine robot - a Seaglider - to record underwater noises. Jim Drury reports.
00:49
01:18
01:16
03:30
01:11
01:05
01:35
02:29
00:45
00:59
01:24
02:13
01:28
02:05
01:10
00:46
01:16
02:15
01:13
01:01
01:16
00:52
01:02
01:10
00:58
02:22
02:08
01:01
01:01
00:48
01:02
01:24
03:00
01:41
01:54
01:20
02:24
01:02
01:10
01:20
01:30
02:29
01:24
01:13
03:17
01:54
00:57
01:51
00:41
00:42
00:31
01:09
01:17
01:18
01:23
01:01
01:49
01:08
02:08
00:59
02:08
01:35
03:51
01:47
01:02
00:56
01:13
01:32
01:13
01:28
01:36
04:56
01:17
00:59
01:34
01:15
01:14
01:24
01:05
02:14
01:18
03:30
01:05
00:45
01:24
02:13
02:05
01:10
00:46
02:15
01:01
01:31
01:37
03:24
01:52
03:15
00:58
00:44
02:46
01:01