Nature is pleased to accept submissions online.
Please follow these guidelines carefully to ensure your submission proceeds smoothly. You may wish to print out these instructions before proceeding. If you submit a manuscript online, please do not also make a postal contribution. To use our online submission system, you will need Microsoft Internet Explorer 4.x, or the latest version of Netscape Navigator. Errors in contact information, in particular in your e-mail address, or in manuscript titles, create severe problems in the handling of your submission.