Johannes Gutenberg's invention of the printing press in the mid-15th century altered the world. This groundbreaking device enabled the mass production of books, breaking the previous monopoly of knowledge held by the religious institutions. Before Gutenberg's invention, books were painstakingly tran

On a blustery morning in 1919, disaster unfolded Boston. A massive holding filled with sticky, sweet molasses burst sending a torrent of the thick liquid crashing through the streets. The force was catastrophic, crushing buildings and burying citizens in a treacly mass. Scores of people were lost