Nature, Published online: 10 July 2026; doi:10.1038/d41586-026-02172-6

Sci-fi procedure generates immature human sperm from stem cells, nurturing them on a mouse’s kidney.

Nature, Published online: 09 June 2026; doi:10.1038/d41586-026-01836-7

A participant in a landmark clinical trial has been given a cellular-reprogramming treatment that aims to rejuvenate damaged cells in the eye.

Nature, Published online: 08 June 2026; doi:10.1038/d41586-026-01780-6

Possible explanations for the trend are emerging, but are likely to vary from one type of tumour to another.

Nature, Published online: 05 June 2026; doi:10.1038/d41586-026-01827-8

The ‘base editing’ technique that researchers used is far from ready for the clinic, but critics worry that it will spur a rush to commercialize the approach.