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Presidents Bush and Gorbachev enjoyed each other's company last week, and made modest progress on arms control. But by dodging doubts about the Soviet Union's future in Europe, they left the important questions unasked.
One hundred and fifty years ago, life was created by electricity – or so it was widely reported. The story illustrates the power of the press, and brings to mind more recent episodes in science.
Last week's promise of occasional special contributions to the continuing discussion of the prospect of global warming requires elaboration. Social and economic issues are as important as the strictly technical.
