Alexandra Twin has 15+ years of experience as an editor and writer, covering financial news for public and private companies. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.