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...powered Icelandic dreams. Pockets of underground water heated by the earth's core may not be particularly glamorous, but tiny Iceland has spent decades figuring out useful ways to harness its heat and power, employing it for everything from baking bread to turning turbines. Geothermal power now provides cheap, clean heat to more than 90% of Icelandic homes, and generates 30% of the nation's electricity, a slice worth roughly $120 million. In recent years, as Icelanders became smitten with the idea that their ambitious banks could create a global financial center in the far north Atlantic, geothermal power...
...acoustic properties in everything from pedestrian bridges to bus stations - and, in turn, contributing to big energy and other environmental savings. Some of the innovations are startling: the white concrete used by American architect Richard Meier for the Jubilee Church in Rome contains titanium dioxide, which keeps the concrete clean at the same time as destroying ambient pollutants such as car exhaust...
...what about that $750 billion we already gave Hank Paulson, the Treasury Secretary, to clean up this mess? Oh yeah, that. Well, that wasn't a stimulus. It was a bailout. Big difference. The purpose of the bailout was to save the financial system from collapse. (And anyway, it hasn't worked.) The purpose of a stimulus is to get the entire economy moving again. Put money in people's pockets and let them spend it. Or, even better, let's spend it together on national projects like fixing the highway system. Bring on the earmarks! Hey, Sarah--where...
...haphazard pile of printouts. The solution? Handheld devices not only let you browse hundreds of recipes on the go but also create electronic shopping lists you can easily tote to the store. And if perchance your handheld falls into the cookie batter (as mine did), you can wipe it clean with a sponge. (See the 50 best inventions...
...only 0.014% of that is available for human use. The rest is nonpotable ocean water or inaccessible freshwater, most of it frozen in polar caps. And the available water we do have is far from evenly distributed. About 1.1 billion people have no access to clean water, and half the planet lacks the same quality of water that the ancient Romans enjoyed. And while the amount of water on the planet remains fixed, the number of people drawing on it does not. The world's population could grow from 6.7 billion to more than 9 billion by 2050, according...