Were There Pagan Goddesses in Christian Europe? This lecture considers a set of superhuman female figures found...
Sleepwalkers: How Europe Went to War in 1914 This lecture explores new ways of understanding the crisis that...
Island Universes: Discovering Galaxies Beyond the Milky Way The discovery that we live in an ordinary galaxy, one...
Diseases of the Heart Structure, Muscle and Valves The normal heart is very robust. Some people are born...