每个界面焦点主题的问题是专门在物理和生命科学界面的特定主题。它们由高质量的文章组成，旨在作为一个所有人都可访问的论坛，促进跨越这一传统鸿沟的跨学科研究。主题可能是新兴的研究领域或更成熟领域的动态方面。我们强烈鼓励每一个界面焦点的组织者在他们所选择的主题内，将该期刊结合起来。
Each Interface Focus themed issue is devoted to a particular subject at the interface of the physical and life sciences. Formed of high-quality articles, they aim to facilitate cross-disciplinary research across this traditional divide by acting as a forum accessible to all. Topics may be newly emerging areas of research or dynamic aspects of more established fields. Organisers of each Interface Focus are strongly encouraged to contextualise the journal within their chosen subject.