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- 415 millions d'annéesLa nouvelle théorie qui explique ce qui a causé la deuxième plus grande extinction de masse sur la Terre
Un article scientifique paru fin août suggère que la présence de métaux lourds comme le fer et le plomb dans les océans serait impliquée dans l'extinction d'espèces majeures datées d'il y a plus de 415 millions d'années.
15 septembre 2015