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...proposed rule marks the first time the Federal Government has tried to regulate stationary sources of greenhouse-gas emissions. But again, the details are far from certain. It's not clear yet what "best available technology" will mean for carbon - especially in the case of new coal plants, which have no real way to drastically limit carbon emissions. And the rule is certain to come under attack from industry opponents; by putting only large emitters under the proposed rule, the EPA saves a lot of expense for small businesses but could be accused of being unfair to larger ones...
...what does that mean? Based on Ardi's anatomy, it appears that chimpanzees may actually have evolved more than humans - in the scientific sense of having changed more over the past 7 million years or so. That's not to say Ardi was more human-like than chimplike. White describes her as an "interesting mosaic" with certain uniquely human characteristics: bipedalism, for one. Ardi stood 47 in. (120 cm) tall and weighed about 110 lb. (50 kg), making her roughly twice as heavy as Lucy. The structure of Ardi's upper pelvis, leg bones and feet indicates she walked upright...
...Science doesn't put out special issues very often, and the extraordinary number and variety of fossils described in these new papers mean that scientists are arguing over real evidence, not the usual single tooth here or bit of foot bone there. "When we started our work [in the Middle Awash]," says White, "the human fossil record went back to about 3.7 million years." Now scientists have a trove of information from an era some 700,000 years closer to the dawn of the human lineage. "This isn't just a skeleton," he says. "We've been able...
...Zazi take this step? "It's sometimes difficult to determine exactly at what point it was that somebody becomes radicalized and then decides to become a terrorist," a senior Obama Administration official tells TIME. "Usually it's an evolutionary process." And what does it mean to have an Afghan immigrant take up al-Qaeda's cause? The worst-case scenario, according to experts, is that Zazi may represent an effort by the Taliban to expand its attacks on U.S. interests. Robert Grenier, a former CIA station chief in Pakistan, believes the Taliban's worldview has changed since...
Well-informed Pakistanis say this dismal performance is all too typical. Worse, they insist, it hints at the structural problems that are plaguing America's aid programs. "I don't mean to be unnecessarily harsh on [US] AID, but I have spent the last eight years on the ground there in Pakistan and feel very disillusioned and extremely bitter that when American taxpayers and the public thought they were helping, their money was not put to good use. It did not reach the people - I saw it with my own eyes," says Nasim Ashraf, a Pakistani American who directs...