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...University of Texas at Austin, Major League Baseball umpires tend to call more strikes when the pitcher is of their same race; when they're not, umps call more balls. It doesn't happen all the time - in about 1% of pitches thrown - but that's still one pitch per game, and it could be the one that makes the difference. "One pitch called the other way affects things a lot," says Hamermesh. "Baseball is a very closely played game." What's more, says Hamermesh, a slight umpire bias affects more than just the score; it also has an indirect...
...Yangtze, which supports more than 400 million people, roughly 6% of the world's total population. Wang says the Yangtze is relatively unpolluted. But untrammeled commerce and massive hydrological projects like the Three Gorges Dam have dramatically altered the river's landscape. With as many as 60 boats per km of river in some areas, the Yangtze already looks less like a river than a highway during rush hour. "Baiji are at the top of the food chain just like human beings," Wang says. "If the river can't support baiji, someday it won't support humans either...
...steel boxes are being redesigned this fall with a sleeker look and larger compartments to accommodate dry-cleaning and groceries. To get the device, you'll need to convince your landlord (or coop board) to give it a try. While installation is free, residents will pay a $10 per month usage fee. Even Veraksa has quibbles with that price. "I'd be willing to pay $1 or $2 per item," but that's all, he says...
There is another way. In December, Sir Rod Eddington, former head of British Airways, completed a study on transport for the U.K. He evaluated all kinds of projects--from fancy high-speed trains to simple bike paths--and calculated the return on investment per pound spent. What he found was surprising. "Small can be beautiful," his report concluded. Large projects like new rail lines tended to be less beneficial for the money than modest ones, like widening an old road. The British government is now funding more projects on the basis of this more rational notion of overall value...
DEFINITION diff-er-en-tial tu-i-tion n. A per-semester premium that more public universities are charging students who want to major in lucrative fields like business and engineering...