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

by | Jun 3, 2026 | Uncategorized | 0 comments

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Nature, Published online: 03 June 2026; doi:10.1038/d41586-026-01793-1

Passive heart-rate monitoring during regular phone use could provide early warning of health issues — plus, testing Richard Feynman’s solution to the ‘restaurant dilemma’ problem.

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