20 ways the world could end

Discover.com has an interesting list of the top 20 ways the world could end.

1 Asteroid impact

2 Gamma-ray burst

3 Collapse of the vacuum

4 Rogue black holes

5 Giant solar flares

6 Reversal of Earth's magnetic field

7 Flood-basalt volcanism In

8 Global epidemics

9 Global warming

10 Ecosystem collapse

11 Biotech disaster

12 Particle accelerator mishap

13 Nanotechnology disaster

14 Environmental toxins

15 Global war

16 Robots take over

17 Mass insanity

18 Alien invasion

19 Divine intervention

20 Someone wakes up and realizes it was all a dream

Check out the source for much more indepth analysis.

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