Plankton: the tiny animal that helps you breathe

Scientists from the Tara Ocean expedition unveil the most comprehensive analysis ever undertaken of the world's ocean plankton, the tiny organisms that serve as food for marine creatures, but also provide half the oxygen we breathe. Video: Reuters

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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