Although biotechnology is definitely a significant risk, there are some other things such as nanotechnology, flawed super-intelligences, and transhumanism-relat

Although biotechnology is definitely a significant risk, there are some other things such as nanotechnology, flawed super-intelligences, and transhumanism-related issues that should rank very highly as well. See http://www.nickbostrom.com/existential/risks.html http://www.nickbostrom.com/existential/risks.html for a nice summary of potential existential risks to humanity.