The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

For and Against a United Ireland. The alternative to political violence is not silence but democracy. O’Toole and McBride set ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Thomas J. Brock is a CFA and CPA with more than 20 years of ...

† State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin 130022, P. R. China ‡ University of ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

Rational Emotive Behavior Therapy is a form of psychotherapy that helps you identify self-defeating thoughts and feelings, challenge the nature of irrational and unproductive feelings, and replace ...