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The widespread conversion of democratic governments to environmental causes is understandable: it keeps, or even catches, votes. But the consequences are increased costs and the tolerance of irrationality.
Knowing the half-life of the neutron is important for particle physicists and cosmologists alike. A new technique should soon improve the accuracy of measurements to better than the present half per cent.
The polymerase chain reaction can be used to create probes for specific regions of the Drosophila genome and for chromosome walking in a library of yeast artificial chromosomes.
