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Mar 2022
1m 56s

Quelle est la vitesse du son sur la plan...

Choses à Savoir
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Today
Quelle base secrète l’explorateur Jean Malaurie a-t-il découvert ?
Pour écouter les deux épisodes recommandés:1/ Pourquoi votre opinion change-t-elle sans que vous ne vous en rendiez compte ?Apple Podcast:https://podcasts.apple.com/us/podcast/pourquoi-votre-opinion-change-t-elle-sans-que-vous/id1048372492?i=1000746638428Spotify:https://open.spot ... Show More
2m 38s
Yesterday
Pourquoi le feu devient-il une sphère dans l'espace ?
Dans l’espace, une flamme ne ressemble pas du tout à celle qu’on connaît sur Terre. Ici-bas, quand on allume une bougie, le feu forme naturellement une “goutte” étirée vers le haut. Mais en microgravité, le feu devient une boule : une flamme presque parfaitement sphérique. C’est ... Show More
2m 34s
Jan 22
Pourquoi perd-on du poids par l'expiration ?
Lorsque l’on parle de « brûler » des graisses, l’image qui nous vient souvent en tête est celle d’un glaçon qui fond. En réalité, la biologie raconte une histoire bien plus surprenante : lorsque nous perdons de la graisse après un effort physique, la majorité de cette graisse qui ... Show More
2m 31s
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