On last week's Saturday Night Live, writes Tina Brown, Sarah Palin showed 'she had a key attribute for long-term political survival: the ability to pretend she finds humiliation amusing.'
Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes
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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
7 hours ago
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