This video was made with financial support from the Center for AI Safety. There are trillions of planets in the Universe, but even with our most powerful telescopes, we’ve never found a single trace of life out there. And no alien civilization's ever found us. It could be we’re just not advanced en
25:12
30:38
26:21
24:24
55:00
91:07
58:10
25:53
36:54
20:08
28:25
28:11
33:29
11:41
21:51
27:01
86:37
19:32
24:58
18:00