The end of the world, scheduled for December 2012, did not happen. Candles, pasta and stewed food gather dust in the pantries. But don't rush to throw them away! Remember, a meteorite, tiny on a cosmic scale, over Chelyabinsk seriously frightened not only the residents of this city. The eruption of an Icelandic volcano closed the sky over Europe, throwing it back a hundred years for several days, when people moved only by land and water. What about Fukushima? What about the tsunami in the Indian Ocean, which claimed hundreds of thousands of lives? And let optimists argue as much as they like that the real end of the world will come no earlier than in three billion years, when our Sun goes out, you and I are not so durable...