Alexandra Witze is an award-winning science journalist with a national reputation for her elegant coverage of highly complex topics in the natural world. She began her career at Earth magazine and at the Dallas Morning News and later served as chief of Nature's Washington, D.C. bureau where she supervised the journal's news coverage. More recently she was a regular features contributor to Science News. She has returned to the staff at Nature as contributing correspondent. Alex has freelanced for such publications as The Economist, Science News, American Archaeology, New Scientist, Technology Review, and Sky & Telescope. She plans to spend February 2014 at SFI.