Continental drift Permian era but failing to account for glaciation in India, Australia and South Africa. Geophysicist Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including those he set up in the South Pacific. It is now known that there are two kinds of crust: continental crust and oceanic crust. Continental crust is inherently lighter and its composition is different from oceanic crust, but both kinds reside above a much deeper "plastic" mantle. Oceanic crust
Center for the Study of Capitalism Center for the Study of Capitalism The Center for the Study of Capitalism (CSC) is a Guatemalan think tank and University Research Centre of Study founded in 2009 with the support of Universidad Francisco Marroquin. Its stated mission is "to promote discussion and reflection in order to encourage the adoption of a philosophy of life that leads a person to champion reason, individual rights, capitalism and entrepreneurial activity". CSC is a private, secular, coeducational, nonresidential, nonprofit center of study supported primarily by grants and contributions from foundations, corporations, and individuals. It is headquartered in Guatemala City, Guatemala CSC's current Executive