Science quote of the day:
"The history of science is the saga of nature defying common sense." ~ Kedar Joshi

Welcome to the 125th Daily Field Note! Here you find the top post of the day, one covering each scientific field that is included by Geopolis. Since these authors put a lot of effort in writing a good post they surely deserve the extra exposure.

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Geology: Geology of Iceland - Part 3: an island being ripped apart

Original post by @sooflauschig

Iceland is located on top of the boundary where the North American and the Eurasian plates are separating. These two plates move away from each other at a rate of 2 cm/year (1cm/year in each direction). By being located exactly on top of it, the eastern part of Iceland is constantly moving eastward with the Eurasian plate and the western part moves westward with the North American plate. The island is literally being ripped apart. At the surface, the plate boundary forms narrow belts of active faulting and volcanism that zigzag across Iceland. This plate boundary is Iceland's most magnificent geological feature, as it represents the only section of the Mid-Atlantic Ridge that is exposed above sea level.

Ecology: Agricultural Grazing - Is it right or wrong?

Original post by @robyneggs

To graze or not to graze...that is the question. View from the soil sampling pit, near the Swine Center at Oregon State University. There are things to consider, when eliminating grazing completely as a possibility. There are several arguments for and against livestock grazing. Is it bad, or is it good? To start, what is the alternative? Are cattle to be confined to small areas and fed pre-cut grass, grown for them in alternate ranges? If so, how is the health of the penned cattle compared to free-ranging cattle? Do cattle need a certain amount of ro...

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