blue pigment in a manuscript painting of the nun, Guda


OBERLIN.EDU/WIKIMEDIA COMMONS

Huge Open On-line Programs (MOOCs) present free lectures and assignments, and gained international consideration for his or her potential to extend schooling accessibility. Plagued with excessive attrition charges and fewer returning college students yearly, MOOCs have pivoted to a brand new income mannequin—providing accredited grasp’s levels for professionals. Host Meagan Cantwell speaks with Justin Reich, an assistant professor within the Comparative Media Research Division on the Massachusetts Institute of Know-how in Cambridge, concerning the evolution of MOOCs and the way these MOOC skilled packages could also be reaching a special viewers than conventional on-line schooling.

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Archaeologists had been flummoxed once they discovered a superb blue mineral within the dental plaque of a medieval-era lady from Germany. It turned out to be lapis lazuli—an costly pigment that might have needed to journey 1000’s of kilometers from the mines of Afghanistan to a monastery in Germany. Host Sarah Crespi talks to Christina Warinner, a professor of archaeogenetics on the Max Planck Institute for the Science of Human Historical past in Jena, Germany, about how the invention of this pigment make clear the spectacular lifetime of the medieval lady, an artist who possible performed a job in manuscript manufacturing.

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This week’s episode was edited by Podigy.

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[Image:Oberlin.edu/Wikimedia Commons; Music: Jeffrey Cook]

 

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