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Open AccessDecadal-to-centennial increases of volcanic aerosols from Iceland challenge the concept of a Medieval Quiet Period
Existing global volcanic radiative aerosol forcing estimates portray the period 700 to 1000 as volcanically quiescent, void of major volcanic eruptions. However, this disagrees with proximal Icelandic geologic...
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Article
The origin of placental mammal life histories
After the end-Cretaceous extinction, placental mammals quickly diversified1, occupied key ecological niches2,3 and increased in size4,5, but this last was not true of other therians6. The uniquely extended gestat...