On Feb. 11, the Catholic Church celebrates the feast of Our Lady of Lourdes. In Lourdes, France, in 1858, 13-year-old Bernadette Soubirous was collecting pieces of wood as part of her daily chores ...

January 31, 2025 • Episode: 1321 A modern solar collector, a century before its time. Today, an idea whose time had not yet come.