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Living creatures are amazing at building their homes from just about anything. But sea-dwelling creatures are particular wizards: microscopic coccolithophores, coral-building algae, and giant snails...
lorsque le soleil est fort et que les courants remontent à la surface il se produit un phénomène extraordinaire si grand qu'on le voit de l'espace on l'appelle un...

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Penguins quite often, when they get out of the water have to get up, high up onto ice. And the only way to do it is for them to swim upwards very, very fast and then as soon as they come out of the...
So, today we're going to talk about, we've talked about primary productivity on a global scale last time. And today, we're going to talk about what regulates that productivity....