To improve the performance of the site, we have changed two things.
1. the teasers of the online books on the magazine homepage are now available separately only in the Books Online section.
2. the menu navigation has been changed (due to more than 30000 articles in the meantime) so that when you reach the end of the page teasers are added automatically (in the mobile view you can do this manually via the button' more...'). To go to a specific date, you can select it at the top of the page:
