Over their short lifetimes many migratory birds fly a distance equivalent to that between earth and the moon. Some people call them courageous. Hope is a thing with feathers.
Grains of Sand
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
9 hours ago
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