Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
The British government seems to have sensed that its policy on education could be an electoral liability, which is correct. But throwing printed money at the problem will not help.
The view that radiobiology (made fashionable by the accident at Chernobyl) is unknown territory is belied by the vast literature on the subject. But uncertainties persist.
Simulations of the ecological effects on grassland ecosystems projected from the proposed climatic changes that would follow a nuclear war indicate that temperature and light reductions below ambient mean levels exceeding 10°C and 28%, respectively, are required for severe ecosystem deterioration to occur and that thresholds between promotion and decline are very abrupt.
Time-resolved optical and magnetic resonance techniques offer complementary views of large-scale cooperative molecular motions within macromolecular assemblies.