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.
Post-war Germany's enviable reputation as a law-abiding state is threatened by the harsh treatment of a handful of academics in the eastern Länder who once belonged to the Communist Party of the German Democratic Republic.
Who says that the social sciences are not quantitative? Even in a field supposed to be dominated by people's impulses to buy — that of marketing — there are striking regularities.
By two-dimensional (2-D) DNA typing a restriction enzyme digest of genomic DNA can be resolved on the basis of both size and base-pair sequence and subsequently analysed by repeat probe hybridization to reveal sequence variants at multiple genomic sites in parallel. The system has been partly automated and allows for large-scale comparative analysis of complex genomes in a cost-effective manner.
