Belarusian author Svetlana Alexievich, known for chronicling the Chernobyl nuclear disaster, was awarded the 2015 Nobel Prize for literature Thursday "for her polyphonic writings, a monument to suffering and courage in our time."
At 15, MacKenzie Walker has accomplished more than most people twice her age. She's written a book. She's started a business, training and coaching clients online. She's amassed nearly 60,000 Instagram followers.