Scientists at the university of Rochester revised the famous drake equation and says intelligent alien civilizations exited before us. What do you think?
[youtube https://www.youtube.com/watch?v=SCl30zDuMMw]
and check this out… THIS WEBCAST IS UNCENSORED.
[youtube https://www.youtube.com/watch?v=aTn9BJgKoWw?list=PL7IpKC-AWts6dRaDvUTy4EnL6PZzWNSLH]
