The zombie apocalypse would almost certainly be the saddest way for the human race to go. But is it actually possible for us to rise from the dead as a self-cannibalising horde of mindless killers? Well, yes and no.
As ASAPScience explains, we might not ever actually come back from the dead and eat each other's brains, but a 28 Days Later-like zombie virus could potentially bring the whole human race down. [ASAPScience]