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There are good reasons to revise the way that gene therapy experiments receive public scrutiny. But altering the role of a body with a reputation for effective oversight must be done sensitively if it is not to undermine efforts to maintain public acceptance of the field.
Thomas S. Kuhn, who died on 17 June aged 73, is best known for introducing the principles of 'paradigms' and Incommensurability' into the study of science. The influence of his work, however, goes beyond such slogans.
The inner core of the Earth, a solid piece of iron 2,400 kilometres in diameter, is rotating faster than the rest of the planet. At its equator, it moves under our feet by more than 20 kilometres a year.
