Could Alien Diseases Wipe Out Humanity? - Big Think (blog)
http://bigthink.com/paul-ratner/could-alien-diseases-wipe-out-humanityWe could potentially have no immunity to extraterrestrial microbes. They could quickly wipe out large chunks of the human population, like a modern-day Black Plague. And that's not the only threat. Such bacteria could go after animals, plants and ...
Submitted in section: Paranormal news 2015: Could Alien Diseases Wipe Out Humanity? - Big Think (blog)