When you think about the ways the entire human race might meet its demise, there are only a few ways we can imagine it going down. Famine, plague, pestilence, or conventional war wouldn’t do it; there are simply too many humans in too many niches that would be untouched by even the most vile incarnations of these. But there are two general categories of ways it might happen:
the possibilities we might bring upon ourselves, like nuclear war, biotechnology gone awry, or  some type of pollution/environmental poisoning that renders the planet inhospitable to human life,
or the possibility that the Universe could end us naturally, such as from a catastrophic supervolcano, an incurably lethal epidemic of disease, or the same catastrophe that wiped out the dinosaurs: a massive asteroid strike.

from Forbes – Tech http://ift.tt/1WI1DPk
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