THIS DAY IN SCIENCE: L'Arc de Triomphe de l'Etoile Inauguration (Paris) in 1836

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This demo shows how flakes of iron can be extracted from iron-fortified cereals with the use of a strong magnet. The demo shows a physical separation process and provides students with a good example of how one component (the iron) can be separated from a heterogenous mixture (the cereal). The demonstration can lead to discussions about the need of, and uses for, iron in biological systems.

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