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Rain check

One can protect oneself from water thanks to the hydrophobic surfaces like that of the lotus leaf, or thanks to the calefaction. In these two phenomena, the water levitates at almost normal temperatures. That opens up many possibilities! An episode of the series "The black box".

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Sports special

Has doping disappeared? What can science do to improve performance? Do female athletes compete on equal terms with male athletes? How are athletes preparing for global warming? And by the way, is sport really medicine? To coincide with the Paris Olympic and Paralympic Games, Science Actualités presents a “100% sport” edition.

Discover investigation