Victorian Era Astronomy: On Land and in the Skies In the late 19th-century, astronomical research could be practical, using...
The Shape of Gravity: Why On Earth Are Planets Spherical? We often take for granted that planets, shaped by the...
War's Toxic Legacy War's environmental legacies disproportionately burden the civilian populations left behind...
Saints and Liars: The Untold Stories of Americans Who Saved Endangered People from the Nazis This lecture unearths the hidden history of Americans who risked...