Word: biologist
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...Secret Service to examine the notebooks in the Baltimore case for authenticity, some researchers accused him of launching a witch hunt and trying to establish "science police." Because of his badgering of scientists at congressional hearings, he has been charged with practicing McCarthyism. Says Maxine Singer, a molecular biologist and president of the Carnegie Institution of Washington: "With Dingell, the issues get swallowed as he makes personal attacks on people...
...does is reproduce, in a test tube, this basic biological process, turning it into a chain reaction that can be endlessly repeated by having a machine alternately raise and lower the temperature in the test tube. "The beauty of PCR is that it's technically so simple," observes cell biologist Peter Parham of Stanford University...
...Forum, the umbrella organization that served as a catalyst of protest, failed to transform itself into a political party; many of its former leaders now regret that. "It's not so much that the west made mistakes or failed to do anything," says Jens Reich, 52, a molecular biologist who was one of New Forum's most eloquent spokesmen. "We were the ones who did nothing. We failed to defend and preserve what we wanted to keep...
...evidence mounts, more researchers are convinced that the Chicxulub crater marks the impact point of the killer comet. Says Boynton: "This is nearly as close to a certainty as one can get in science." Some scientists disagree. David Archibald, a biologist at San Diego State University, believes the extinctions took place more gradually and in a complex pattern. "There is zero evidence that dinosaurs became extinct virtually overnight...
...more traditional Indian tribes of the region without disrupting their way of life. Some of the tribes will trade elaborate traditional cloaks called kushmas, which take three months to make, for a machete or an ax -- far below what tourists would pay for the same item. Peruvian biologist Ernesto Raez fears, however, that encouraging the Indians to reorganize themselves to serve even small numbers of tourists will require profound transformations in village life. "We should not ask conservation to do the work of social change," he says...