John Marion Tierney (born March 25 1953) is a journalist who has worked for the ''New York Times'' since 1990.Tierney writes a science column, "Findings", and a blog, [http://tierneylab.blogs.nytimes.com/ TierneyLab] for the ''Times''. He was previously a columnist on the Op-Ed page (2005-6) and wro[Wikipedia]