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FREAKS and ODDITIES IN IN SCIENCE E NEWS NEWS- 71 Stainless steel might have been available for forU H U common use a hundred years or more ago if people had realized the tho possibilities of chromium then Chromium the key metal in the various alloys known collectively as stainless steel was known more than a century ago It was neglected neglected neglected neg neg- partly because it was somewhat difficult to extract from its ores but mostly because metallurgists metallurgists metallurgists metal metal- assumed that it It would show no outstanding ing lag valuable properties a 9 a a aBlack H 71 Black spots of carbonized material scraped of off U two broken pieces of Stone Age pottery have shown that the grain raised by the first farmers in Germany was emmer a species of wheat whose native land is In western Asia |