每個界面焦點主題的問題是專門在物理和生命科學界面的特定主題。它們由高質量的文章組成，旨在作為一個所有人都可訪問的論壇，促進跨越這一傳統鴻溝的跨學科研究。主題可能是新興的研究領域或更成熟領域的動態方面。我們強烈鼓勵每一個界面焦點的組織者在他們所選擇的主題內，將該期刊結合起來。

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.