Questions tagged [limnology]

The science of inland waters, posts on Biology SE should focus on the biological aspects of this discipline.

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Do dolphins really sleep?

I have always wondered, if dolphins sleep with one eye opened, do they really sleep at all? According to this article dolphins indeed shut down their brains. I already googled it. No help from ...
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Is it true that oxygen has a diffusion rate in air 10,000 times greater than in water? [closed]

According to the Wikipedia page on the design of gills, oxygen has a diffusion rate in air 10,000 times greater than in water. Is that true? The WP entry refers to: M.B.V. Roberts, Michael Reiss, ...

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