Earth
Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes
Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation for why they sometimes form
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Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation for why they sometimes form
Strange volcanoes called kimberlites bring diamonds up from Earth's depths. Å®ÉúСÊÓÆµs have always struggled to understand why they switched off millions of years ago – but perhaps they didn't