Word: coldness
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...migratory birds, but it is already being felt today. In previous studies, Willis and his colleagues found that birds like the Dartford warbler - which generally breed in the warmer areas of Western Europe - are increasingly being spotted in Britain, even though the island was thought to be too cold for them. (The U.K. is blessed with an energetic corps of amateur ornithologists, which means scientists there have a wealth of data on bird sightings...
...seasonally affected energy resources. Suspension invertebrates, which include sponges as well as corals, require more energy to breath in warmer temperatures. And that, in turn, means they need more food. But - grim irony - warmer temperatures also stratify the water, making it harder for edible organisms like plankton, which prefers cold water, to get to the animals who eat them. For suspension invertebrates, the result is a food shortage that occurs precisely at the moment when they need more food. (See pictures of the effects of climate change on Europe...
...have to buy it: just replace the lawn with a vegetable garden, eat your fill and then store whatever is left. Sales of canning and freezing supplies rose 15% during the first three months of the year compared with the same period last year. Cough- and cold-remedy sales are down 9% because you can make your own chicken soup; vitamin sales are up, maybe because you hope you won't need to. Common sense is back in style, meaning we're less willing to buy what we can have for free: bottled-water sales have dropped...
...attack could come when we're most vulnerable - a blistering hot July afternoon or a freezing cold January night. Suddenly, vast sections of the U.S. power grid go black. The lights go out, air-conditioning (or heating) shuts down. Once it becomes clear that this is no temporary brownout, the public begins to panic. At the power utilities, engineers can't understand why the network shut off, and can't get it to start up again. It's hours before the truth emerges: a terrorist group (or a hostile country, or some evil-genius hacker) has broken into the computer...
...striking position to win back majorities in Congress. Judging by the Democrats' most recent model, the GOP is five months into a 12-year sentence. On the other hand, that's not bad compared with another historical parallel: the 40 years the party spent in the cold thanks to F.D.R...