Scientists put a salt marsh in a giant wave-machine: here's what they learned

In this episode: 00:15 An appearing, disappearing tattoo ink Nature: Watch this invisible tattoo appear under UV light 04:13 How the epigenome could help explain why big dogs age faster Nature: Big dogs age faster than little ones — rogue ‘jumping genes’ might be to blame Subscribe to Nature Brie…

Critical thinking is a skill that is under threat from the AI revolution in large language models. But all is not lost. Specialists in education and cognition have long been studying critical thinking, and some have useful tips on how to stay cognitively sharp in the age of AI. This is an audio ver…

Analysis suggests number of protected areas is hugely underestimated but biodiversity is still in peril — plus, a huge study looking at the health effects of brown fat. 00:45 The world may have more conservation areas than previously thought Research Article: O’Neill et al. 08:38 Research Highligh…

In this episode: 00:45 The Nobel Prizes 2026 Nature: Medicine Nobel awarded for brain ‘switch’ that controls neurons with light Nature: ‘What took them so long?’ This year’s medicine Nobel winner is overdue Nature: Nobel physics prize awarded for detection of cosmic neutrinos Nature: Astronomy’s ‘…