In the first of a series looking at existential threats to humanity, Jolyon Jenkins asks whether an electromagnetic pulse bomb could send us literally back to the dark ages Show more

Could our food supplies be at risk from a worldwide decline in pollinating insects? Attention has focused on honey bees, but they're not the pollinators we should be worrying about Show more

Has DNA technology advanced so far that a rogue scientist, or even a competent terrorist, could assemble a deadly pathogen from genetic sequences bought by mail order? Show more