In 1798, Henry Cavendish looked through his telescope into a darkened room. Inside the room, large lead spheres hung next to small two-inch counterparts, gravity bringing them slowly together. From ...

“Twins! Twins!” Ten-year-old Eva Mozes clung to her mother amidst the chaos of the selection platform at Auschwitz-Birkenau. Before arriving at the death camp, she had been stuffed into a train car on ...