Oprah Winfrey has undertaken an extraordinary career journey that made her, among other things, the first woman to own and produce her own talk show, a 2013 recipient of the Presidential Medal of Freedom, and one of the few celebrities famous enough to be known solely on a first-name basis.
Are you careful around ladders, mirrors, and salt? In many cases, the origins of these superstitions have multiple layers, meaning they might go back to pagan, Christian, medieval, or Victorian beliefs all at once. In other cases, the story is far more modern than you might think.
The sun is the real star of our show — pun intended. Hanging out 93 million miles away, it's a perfect mixture of hydrogen and helium that spit-roasts our planet just right. Here are some of the most interesting things we've learned about the sun, and some of our best guesses on its future.