Morning Overview on MSN
The ocean produces more than half of the oxygen you breathe
Every second breath a person takes depends on oxygen generated not by forests or grasslands, but by microscopic organisms ...
Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why do humans and animals have to breathe? – ...
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