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1993-04-08
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835b
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THE WEEK, Page 30HEALTH & SCIENCENot Crystal Clear
Zero-gravity protein is no reason to build a space station,
say scientists
One of the arguments for building the multibillion-dollar
space station Freedom is that it would provide a zero-gravity
laboratory to grow bigger and purer protein and silicon
crystals. But increasingly there is a question as to whether the
crystal-growing techniques, at least for proteins, are all that
reliable. Reviewing a decade's worth of such space efforts,
scientists writing in Nature found that less than a quarter of
the experiments actually worked, and then with only mixed
success. Their recommendation: rent time aboard the already
orbiting Russian space station Mir.