March 11, 2010
The Seas Could Turn to Sulfur
From asteroids to worldwide hydrogen sulfide poisoning, extinction expert Peter Ward offers a diverse menu of scenarios for humanity’s demise.
How Will the World Really End?
From asteroids to nuclear terrorism to worldwide hydrogen sulfide poisoning, a diverse menu of scenarios for humanity’s demise.
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Peter Ward
The Seas Could Turn to Sulfur
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Edward Sion
A Supernova Could Nuke Us
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Stewart Brand
Climate Catastrophe and "Chaos Wars"
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Edward Sion
An Asteroid Could Smash Us
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Melissa Franklin
A Quick and Painless Black Hole
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Michio Kaku
Escape to a Parallel Universe
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Robert Kirshner
The Milky Way Will Be It
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Graham Allison
The Nuclear Threat to Our Cities
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Peter Ward
We're Headed for a Hothouse World
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Edward Sion
The Sun Will Swallow Us
