Half a billion birds fly over Israel during the autumn migration.
A leading Israeli ornithologist tells the Today programme that Israel is at the junction of three continents: from the political point of view, it's a disaster (the airspace is crowded enough); from the ornithological point of view, it's heaven.
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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