Five reasons why we haven't found aliens yet - sciencefocus.com
http://www.sciencefocus.com/news/five-reasons-why-we-havent-found-aliens-yetIn the world of Star Trek, the extraterrestrial Vulcans don't bother getting in contact with the humans, because they find them irrelevant and dumb. It's not until Zefram Cochrane invents a warp drive (a device that lets you go faster than light) that ...
Submitted in section: Paranormal news 2015: Five reasons why we haven't found aliens yet - sciencefocus.com