Combien de temps un volcan peut-il rester endormi avant de se réveiller ? L’étude d’un volcan grec montre que même plus de 100 000 ans de silence ne suffisent pas forcément à le déclarer éteint.
By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.
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