Nature, Published online: 08 September 2026; doi:10.1038/d41586-026-02838-1The deaths of two children in separate gene-therapy trials could have a profound effect on China’s biomedical industry, say researchers. Plus, an AI system has formalized Fermat’s last theorem and the impact of Nancy Grace Roman.

Nature, Published online: 07 September 2026; doi:10.1038/d41586-026-02831-8A new study could fuel debate about whether the Bunsen burner still has a place in the modern lab. Plus, the United States is shifting a huge swathe of biomedical research to the military and boat-bashing orcas are just having a good time.