Ocean

New floats probe the ocean at a depth of 4,000 meters

New floats probe the ocean at a depth of 4,000 meters

The Argo program constitutes a revolution in the history of ocean observation, essential for the study of climate change. It relies on an army of more than 4,000 profiling floats constantly floating in the ocean, measuring its temperature and salinity (and sometimes biogeochemical properties like oxygen, pH, or chlorophyll concentration). Capable of diving from the …

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Top 10 answers to existential questions we ask ourselves on the beach |  mole

Top 10 answers to existential questions we ask ourselves on the beach | mole

When we go to the beach, it’s rarely to rack our brains with silly questions, the answers to which are anything but obvious. That’s good, I’m not going to the beach. So I have the right to rack my brains, with silly questions, so that their answers are obvious. Why is sea water salty? 1. …

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