Radon emissions have been touted as a possible quake precursor since the discovery that levels of the gas in water rose sharply before a major earthquake in Tashkent, Uzbekistan, in 1966. Advocates believe that as underground strain nears the threshold for triggering an earthquake, it releases radon that has accumulated in the rock from radioactive decay. Yet the few reported examples could not be reproduced, and no one had collected systematic data.
2. How chairs give the game away
If you think your open-plan office is a hierarchy-free zone, take a look at the seating. Firms spend a lot on office chairs because they wear out quickly, and have to conform to health and safety directives. So the lowliest office workers have quite high-tech chairs, with foam-filled seats, swivels, castors and levers to adjust the height. This has created a burgeoning market in swankier "executive" chairs for managers, with higher backs, leather covers, wider seats, greater adjustability and more generous padding, including "memory foam", which responds to an individual's body shape. The booming areas in the office furniture industry are those that either save on space or allow bosses to buy kudos. So much for the spontaneity and egalitarianism of the "borderless office".
3. Stephen King: Politicians' acts of denial give the game away
When it all begins to go wrong, politicians typically adopt one of three strategies. They deny. They claim it's worse elsewhere. Or they blame others for their woes.
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