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The first mapping of mitochondria in the brain has just been revealed. This is yet another step towards understanding these structures which supply their energy to brain cells and are involved in a variety of illnesses, including mitochondrial diseases whose diagnosis has been possible for the past ten years or so.
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03.18.2025
Over the past few months, our planet has been ìmpacted by intense solar flare activity on the Sun. This phenomenon, which caused the polar auroras that recently lit up European skies, could also...
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02.06.2025
White dwarfs are the extremely dense, compact remnants of stars that have ended their lives, and are at the origin of tremendous explosions known as novae. This phenomenon (not to be confused with...
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Based in Namibia, the H.E.S.S. telescope array monitors the showers of particles produced when the highest-energy cosmic rays ever observed in the Universe impact the Earth's atmosphere.
01.20.2025
Astronomical observatories can yield exceptional discoveries, but they are sometimes built with little regard for the environment and local people, sparking public opposition. The sociologist and...
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12.04.2024
A genuine technological gem, the James Webb Space Telescope has been exploring the smallest nooks of the Universe over the last two years. From the birth of planets and the first galaxies to the...
11.15.2024
Astrochemistry, a relatively new field, focuses on exploring chemistry in interstellar spaces to uncover insights about the origins of life on Earth. This discipline has seen significant advancements...
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10.31.2024
Thirty years after its discovery, an exhibition at the Cité des sciences et de l’industrie in Paris is featuring the “scientific adventure” behind the Chauvet Cave. Carole Fritz, the exhibition...
10.30.2024
Before going to school to learn how to read and write their language, children first manage to understand and then speak it. How are they able to do so, almost all of them spontaneously, without a...
10.18.2024
What do a wind turbine, an ocean swell, and a volcanic eruption have in common? All three emit infrasound, or sound whose frequency is below 20 hertz. These sound waves, which are wrongly considered...
10.16.2024
Interview with the linguist Frédéric Landragin, who recently published a short guide on interstellar communication.
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10.15.2024
The only permanent bipeds of the animal kingdom alongside humans, birds have an extraordinary sense of balance. How do these direct descendants of the dinosaurs maintain this stability, especially...
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10.14.2024
Cities, landscapes, monuments, even human figures: the watercolours of the architect and archaeologist Jean-Claude Golvin are an invitation to immerse ourselves in the everyday life of Greek, Roman,...