David Bradley has worked in science communication for almost 25 years. He has written for New Scientist, the Telegraph, the Guardian and many other publications, as well as contributing to and editing books such as The Bedside Book of Chemistry. He has won awards for his writing and blogging, including Daily Telegraph Young Science Writer of the Year. He lives in Cambridge, England, with his wife and children. He blogs at www.sciencebase.com and tweets as @sciencebase to more than 21,000 followers.