Khan Academy
Khan Academy: Coronation Mantle
This Coronation Mantle was likely made for the Norman ruler Roger II in 1133/34 in the royal workshop in Palermo. View a picture and listen to a discussion about the Islamic motifs found on this cloak in this video. [4:06]
Science Friday Initiative
Science Friday: Drilling to the Mantle of the Earth
Geologist Damon Teagle talks about what boreholes may reveal about the Earth's formation. [16 mins. 39]