Videos

Elon Musk gave the commencement address to the 2012 graduating class of California Institute of Technology.

Ms. Levin talked about her book, How the Universe Got Its Spots: Diary of a Finite Time and a Finite Space, published by Princeton University Press. The book discusses what is known about th…

Two authors of biographies of the late Carl Sagan talked about their books. Mr. Davidson wrote Carl Sagan: A Life and Mr. Poundstone wrote Carl Sagan: A Life in the Cosmos. They talked a…

Mr. Johns talked about his book, The Nature of the Book: Print and Knowledge in the Making, published by University of Chicago Press. The book is a close study of print culture in early mode…

President George HW Bush delivered the 100th commencement address to the graduating class of the California Institute of Technology in Pasadena, CA. In his remarks, delivered over chants of …