Biggest Threats to Human Existence.
I read this article and found it to be very interesting. On the list of biggest threats to human existence, nuclear war was number 1. The article mentions that it is only a matter of time before a nuclear war begins. When it does happen, the entire would will be at risk of extinction. The article also mentions that the Cuban Missile Crises almost caused a World War that would have been nuclear. The article also mentions some other scary stuff that could potentially exterminate humans!
via Biggest Threats to Human Existence.