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Last week's meeting of the CERN council has sharpened the dilemma of those who suck their teeth about the cost of high-energy physics. The time has come to plan for wider collaboration.
Two remarkable papers in this issue are a vivid pointer to the ways in which it may be possible to learn how the material from which the Solar System formed was itself produced.
On the ambitious forays into space currently being contemplated, astronauts would encounter unfamiliar radiation environments. The risk of undue exposure would be diminished by spacecraft shielding.
