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Jul 2025
1m 58s

A quoi peut servir la plus fine feuille ...

Choses à Savoir
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Yesterday
Pourquoi un simple biscuit peut-il vous donner l’impression de mourir de soif ?
Ce phénomène ne relève pas d’une simple sensation passagère. Il s’enracine dans un mécanisme biologique profond, lié à la manière dont notre organisme gère le sucre — en particulier le fructose.Lorsque vous consommez un aliment riche en glucides rapides, comme un biscuit, une par ... Show More
2m 23s
Apr 28
Pourquoi certaines dunes “chantent-elles” quand le vent souffle ?
Imaginez une dune de sable qui émet un son grave, continu, presque musical, comme un bourdonnement ou le vrombissement d’un moteur lointain. Ce phénomène, appelé « chant des dunes », est observé dans plusieurs régions du monde, notamment dans le Sahara ou dans le désert de Gobi. ... Show More
1m 50s
Apr 27
Pourquoi la Terre est-elle en train de créer une nouvelle roche ?
Imaginez une plage où le sable, les galets… et des fragments de plastique fondus s’assemblent pour former une véritable roche. Ce n’est plus une hypothèse, mais une réalité observée notamment à Hawaï et sur certaines côtes britanniques. Les scientifiques ont même donné un nom à c ... Show More
2m 6s
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