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Jan 2022
2m 10s

Pourquoi le télescope James Webb est-il ...

Choses à Savoir
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Today
Pourquoi votre cerveau ne sait plus apprécier les petits plaisirs ?
<p>La réponse, de plus en plus évidente pour les neuroscientifiques, tient en grande partie à la dopamine libérée lorsque vous consultez votre téléphone.</p><br><p>Chaque notification, chaque défilement de fil d’actualité, chaque ouverture d'application déclenche un petit pic de ... Show More
2m 19s
Yesterday
Pourquoi des étudiants ont fait exprès de ne pas dormir pendant 60 heures en 1925 ?
<p>En 1925, un petit groupe d’étudiants américains s’est lancé dans une expérience aussi audacieuse qu’inconsciente : rester éveillés pendant 60 heures d’affilée. À l’époque, certains scientifiques pensaient encore que le sommeil n’était peut-être pas indispensable. Le professeur ... Show More
2m 6s
Nov 25
Comment se forment les feux follets qui effraient les villages depuis des siècles ?
<p>Depuis le Moyen Âge, les feux follets intriguent et effraient. Ces lueurs vacillantes, observées la nuit dans les marais, les cimetières ou les champs humides, ont longtemps été entourées de légendes. Les paysans d’autrefois pensaient qu’il s’agissait d’âmes perdues, de fantôm ... Show More
2m 17s
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