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Image: Pilanesberg, South Africa

The circular structure dominating this Sentinel-2 image is Pilanesberg, the result of geological activity over more than a billion years. Once a massive volcanic complex towering over 7000 m tall, millions of years of erosion ...

dateJul 14, 2017 in Earth Sciences
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Birds' migration genes are conditioned by geography

The genetic make-up of a willow warbler determines where it will migrate when winter comes. Studies of willow warblers in Sweden, Finland and the Baltic States show that "migration genes" differ - depending on where the birds ...

dateJul 06, 2017 in Evolution
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