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By charging drug companies 'user fees' that will be spent hiring new staff, the US Food and Drug Administration will reduce the time it takes to review new pharmaceuticals from an average of two years to one.
"Improbability of effective vaccination against human immunodeficiency virus...",declares the title of a newpaper by Dr Albert Sabin. But three immunologists see flaws in his argument.
Attempts to dispense with the need for galactic dark matter by altering the inverse square law of gravitational attraction have attracted a small but persistent advocacy.
