Subtitle preview:
1
00:02:29,104 --> 00:02:30,870
Like most living creatures,
2
00:02:31,458 --> 00:02:35,462
the pigeon quickly associates the
pressing of a lever with reward.
3
00:02:36,934 --> 00:02:40,584
But when a timer releases the seal
automatically every 20 seconds,
4
00:02:40,584 --> 00:02:42,115
the pigeon wonders,
5
00:02:42,874 --> 00:02:45,346
"What did I do to deserve this?"