The ReadCube Web Reader is available to read, preview, purchase & annotate any PDF article on supported nature.com journals.
Articles can be purchased in one of three formats - 48 hour rental, ReadCube Cloud, or the regular PDF file. To preview and purchase articles, click on the ReadCube Access option on the article webpage:
This will open the article in the ReadCube Web Reader, where you will have the option to purchase full-text access