- NATURE PODCAST
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.
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Download the Nature Briefing podcast 16 October 2026
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
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doi: https://doi.org/10.1038/d41586-026-03341-3
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