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Even if the President and both parties in Congress try to hammer out a compromise package, there are still three Senators among the major presidential contenders?Hillary Clinton, Barack Obama and John McCain?whose competing agendas could spawn more gridlock. "Suddenly you have an issue that both sides agree is terribly important," Hess says. "It's not impossible to solve. So the question is, Will they?" If past is prelude...
Sensing that the media conflagration served little purpose for either candidate, Clinton and Obama called a truce in time for a televised debate on Jan. 15 with the third major Democratic candidate, John Edwards. Polls suggest Clinton will lose the Democratic primary in South Carolina to Obama, but she would prefer to come in a respectable second, particularly among African Americans, who will be important for any Democratic nominee in November...
Scent not only tells males which females are primed to conceive, but it also lets both sexes narrow their choices of potential partners. Among the constellation of genes that control the immune system are those known as the major histocompatibility complex (MHC), which influence tissue rejection. Conceive a child with a person whose MHC is too similar to your own, and the risk increases that the womb will expel the fetus. Find a partner with sufficiently different MHC, and you're likelier to carry a baby to term...
...last major stops for love signals in the brain are the caudate nuclei, a pair of structures on either side of the head, each about the size of a shrimp. It's here that patterns and mundane habits, such as knowing how to type and drive a car, are stored. Motor skills like those can be hard to lose, thanks to the caudate nuclei's indelible memory. Apply the same permanence to love, and it's no wonder that early passion can gel so quickly into enduring commitment. The idea that even one primal part of the brain is involved...
Born in South Africa without major bones in his legs and feet, he had his lower legs amputated before he was a year old. As he grew up, so did the science of prosthetics. Now 21, Pistorius runs on carbon-fiber blades known as Cheetahs. He won gold in the 200 m at the Athens Paralympics in 2004, breaking 22 sec.; but now his eye is on the Olympics in Beijing. It was up to the world body that governs track and field, the International Association of Athletics Federations (IAAF), to determine whether using Cheetahs is cheating...