Mark is a UK-based freelance journalist tracking everything from media moguls to subatomic particles. He blogs for CBS SmartPlanet and has written for TIME, Fortune, the New York Times, The Guardian, and many others. He is the author of Emerging Nuclear Innovations: Picking global winners in a race to reinvent nuclear energy, an in-depth look at alternative nuclear technologies published by Kachan & Co. Follow him on Twitter @markhalper