News tagged with tides

A 'blood rain' infiltrates villages of Spain

The rainwater that fell in some of the villages of Zamora (Spain) last autumn brought along a strange traveller: a green microalgae that turns a reddish colour when in a state of stress. Once this microalgae was deposited ...

dateNov 12, 2015 in Ecology
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How do you measure a sea's level, anyway?

There are about 330 million cubic miles of water in the world oceans today, 97% of all the water on the planet. Early in our planet's 4.5 billion year history, water from the atmosphere and from the interior of the Earth ...

dateMay 19, 2015 in Earth Sciences
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