Wearable devices powered by blood

Scientists in Sweden are developing wearable electronics that run on energy produced by naturally occuring chemical processes in the blood. Video: Reuters / University College of Malmo & Lund University

Associated article


Why France's local elections matter

Naomi O'Leary reports from Paris, where nationwide mayoral elections are being seen as a barometer for France's 2027 presidential election. Video: Naomi O'Leary


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