James Owen Weatherall— The Great Pyramid of Giza is more than forty-five centuries old. It has been broken into, explored, and looted by countless civilizations, ancient and modern. But it seems the oldest of the Seven Wonders of the Ancient World still has some secrets left. And while aliens may
Although he encountered enormous skepticism, Dr. Stanley B. Prusiner persevered in his research on the causes of degenerative brain diseases, convinced the scientific community of his findings, and, in 1997, received the Nobel Prize. He argued that conditions including scrapie in sheep and goats, mad cow disease in cattle, and Creutzfeldt-Jakob disease in humans were