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Quand un arbre meurt, il envoie une dernière vague de carbone à ses voisins : on vient de comprendre pourquoi

8 August 2026 at 09:00
Un vieil arbre dépérit et, dans les heures qui suivent, du carbone file vers ses voisins par les racines. L'image du legs a fait le tour du monde. Mais que disent réellement les mesures ? Entre transferts documentés, hypothèses concurrentes et vive controverse scientifique, le tableau est plus...

Microbes destroyed an ancient pterosaur’s wingbone, then preserved it for 100 million years

20 June 2026 at 12:04

More than 100 million years ago, a flying reptile called a pterosaur flew over the oceans hunting squid and fish. Much more recently, one of its wing bones was discovered in Brazil, transformed over the eons into a fossil made of a complex assemblage of different chemicals and minerals. And in new research published in […]

The post Microbes destroyed an ancient pterosaur’s wingbone, then preserved it for 100 million years appeared first on Knowridge Science Report.

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