Nature Podcast

Your phone can use tiny skin-colour changes to measure your heart rate

Published: 3 June 2026 at 16:21 Europe/London

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Episode notes

In this episode:

00:57 How your smartphone’s camera could measure your heart rate

Research article: Liao et al.

08:55 Research Highlights

Nature: A star gone rogue tears through the Galaxy

Nature: Gold keeps glittering courtesy of surface chemistry

11:04 Should you try something new in a restaurant? Maths has the answer

Nature: Feynman solved the ‘restaurant dilemma’ 50 years ago — now a study confirms his mathematics

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