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    Nobel Prize winners and other scientists come to defense of Harvard professor Charles Lieber

    Lieber, a world-renowned Harvard nanoscientist, was arrested a year ago and is alleged to have lied to the federal authorities about his involvement in a Chinese talent recruitment program and cheating on his taxes. “Despite his standing in the scientific community — or perhaps because of it — he has become the target of a tragically misguided government campaign that is discouraging US scientists from collaborating with peers in other countries, particularly China,” the letter in support of Lieber states. “In so doing, it is threatening not only the United States’ position as a world leader in academic research, but science itself.” Lieber was the most high-profile scientist arrested by…

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    Paul Crutzen, Nobel Laureate Who Fought Climate Change, Dies at 87

    Paul J. Crutzen, a Dutch scientist who earned a Nobel Prize for work that warned the world about the threat of chemicals to the planet’s ozone layer and who went on to push for action against global warming, died on Jan. 28 in Mainz, Germany. He was 87. The Max Planck Institute for Chemistry in Mainz announced the death, in a hospital, but did not state the cause. Susanne Benner, a spokeswoman for the institute, said Dr. Crutzen had been treated for Parkinson’s disease. Martin Stratmann, the president of the Max Planck Society, said in a statement that Dr. Crutzen’s work had led to the ban on ozone-depleting chemicals, “a…

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