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Mr Mikhail Gorbachev's visit to London last week has sharpened still further the issue of NATO's tactical nuclear weapons. NATO cannot pretend that the issue is technical and exclusively its own concern.
The only published account so far of thermonuclear fusion in an electrochemical cell raises, as its authors say, "more questions than it provides answers".
A fusion protein combining the best of β-galactosidase with Protein G, a host of human cytokines and lymphokines, and a thermally regulated microplate reader are among this week's offerings for the immunologist.
