Word: carbonation
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Dates: during 1990-1999
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...crystal ball and glimpse at the future of cloning? One way might be to look at the livestock industry, the proving ground for reproductive technology. More than a decade has passed since the first calves, lambs and piglets were cloned, and yet there are no dairy herds composed of carbon-copy cows, no pigpens filled with identical sows. While copying particular strains of valuable plants such as corn and canola has become an indispensable tool of modern agriculture, cloning farm animals, feasible as it may be, has never become widespread. Even simple embryo splitting, the technique used by the George...
After an experiment in which two U.S. researchers made carbon copies of human embryos, the whole world debated whether science had finally stepped over the line...
Ever since the threat of global warming seared its way into public consciousness during the record-breaking heat wave of 1988, environmentalists have been pushing governments to take action. Auto engines, power plants and landfills spew out carbon dioxide, methane and other heat-trapping gases by the ton. Left unchecked, many scientists believe, the buildup in the atmosphere could create the greenhouse effect, boosting temperatures and changing weather patterns in unpredictable, probably destructive ways. At last year's Rio Earth Summit, world leaders agreed that emissions of greenhouse gases should be curbed, but at the insistence...
...contest heated up again. First Chu announced in the journal Nature that a mercury-based compound could superconduct at 153 degreesK (-184 degreesF), a startling 20 degrees higher than the old standard. He got that result by subjecting the material to enormous pressure -- the sort that creates diamonds from carbon. Just a week later, a team of researchers in France and Russia reported in Science that they had hit 157 degreesK (-177 degreesF) with a similar compound. Now Chu says he has pushed the mark up to 164 degreesK (-164 degreesF), though he hasn't published this result...
...make matters worse, the impact site was covered in limestone, which vaporized into trillions of tons of carbon dioxide. It seems likely that the dinosaurs died from the global warming that resulted from this release...