N
Hacker Next
new
past
show
ask
show
jobs
submit
login
▲
If another advanced civilization lived on Earth before us, would we know?
(
cnn.com
)
4 points by
samizdis
1 hours ago
|
0 comments
add comment
Rendered at 23:11:38 GMT+0000 (Coordinated Universal Time) with Cloudflare Workers.