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...Barack Obama, whose candidacy is built on change, it's a chance to remind some voters what they want change from. For John McCain it's test of his strategy of backing Bush in theory, while edging away from him in practice. But for all the distinctions the two draw between each other, and Bush, the next President's approach to the Middle East may look like this one's. "A lot of what's going to happen there is beyond our control," says Robert Hunter a senior advisor of the RAND corporation and a former U.S. Ambassador to NATO...
This is a time of endings. Tomorrow, cycle 10 of America’s Next Top Model will draw to a close, and Tyra Banks will bid us farewell till the fall. (Or, rather, till her talk show airs on Thursday afternoon.) Next week, our country will anoint its new beacon of hope—not in a presidential primary, but with the finale of American Idol season seven...
...writers like Richard Dawkins (The Selfish Gene) and Robert Wright (The Moral Animal) have taught us, it is hard to draw the line between aspects of the human condition that are genetically determined and aspects that are the result of free will. The science of evolutionary psychology can explain why you work hard and how you developed the talent for glad-handing that has served you so well. Even these behaviors are in your genes, just like a predisposition to develop cancer...
...Visit him in his lab at Columbia University's Medical Center, tell him how the last time you went to a party, you couldn't put names to faces, how telephone numbers slip your mind, and he'll walk to his blackboard, pick up a piece of chalk and draw two lines. One, he will tell you, represents age. The other is memory. "As age goes up, memory goes down," he says. "Memory decline occurs in everyone...
...known, as belly fat--which disrupts body chemistry more than less reactive fat elsewhere on the body--increases, blood glucose rises along with it. Some of Small's most recent animal studies show that rising glucose levels in turn disrupt the function of the dentate gyrus. That doesn't draw a straight and conclusive line between waistline and memory, but it does suggest one. "It's possible," Small says, "that blood glucose, which tends to drift upward as we get older, is one of the main contributors to age-related memory decline...