It has become received wisdom that our world is doomed, that we live in the End of Days. Bleak predictions by psychics and scientists alike portend extreme weather, droughts, famines and floods that will overtake humanity within the century, or sooner. If not global warming, then supervolcanoes, meteoric impacts, nuclear war, bioterrorism, or natural plagues will get us. But whatever happens, Michael Hanlon believes that humankind will go on...and...