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Last week's resignation of Dr David Baltimore is a sad business. His obstinate defence of a research paper may have been the chief cause, but others must shoulder some of the responsibility.
Greenhouse gas emissions by the United Kingdom could be significantly reduced by replacement of old and leaking gas mains. Such a programme could even be cost-effective for the utility concerned.
Unexpectedly rapid advances in basic science suggest that gene therapy for a whole host of diseases will soon be a medical reality. The ethical dimensions — real and imagined — need to be sorted out.
