Briefing Chat: An invisible tattoo that appears under UV light – and then disappears

T1Covered by 1 source · first reported by Nature / Science / Nature Biotechnology at 16 Oct, 00:00 UTC

Nature, Published online: 16 October 2026; doi:10.1038/d41586-026-03341-3 Nature staff discuss a new ink that could be useful for medical tattooing — plus, an insight into why small dogs live longer than big ones.