While many organisations are gearing up to celebrate the double evolution anniversary next year — 150 years since the first publication of Charles Darwin's Origin of Species and 200 years since his birth — an event of major significance has its 150 anniversary this year but is set to receive little public celebration. By 1858 Darwin was well-established in his home at Down House in Kent and dee...

Happy Silver Anniversary, Artificial Intelligence! Twenty-five years is not long in the history of a science—long enough to achieve, short enough to remember. Your esteemed founders are still around—vigorous, not so young anymore. Out of cybernetics you came, and information-theoretic psychology. You were born in the early days of modern computing, on hot, bulky hardware with names few now reme...

In 1962, 50 years ago, a remarkable molecule was first synthesized by the team of Professor Calvin Lee Stevens, Ph.D., Professor of Organic Chemistry at Wayne State University and a chemical consultant to Parke Davis at that time. As soon as 1964, this molecule, ketamine (CI-581), a phencyclidine derivative, was evaluated during a clinical trial. It was rapidly introduced into clinical practice...

The main motivation for the study of cluster algebras initiated in [4, 6, 1] was to design an algebraic framework for understanding total positivity and canonical bases in semisimple algebraic groups. In this paper, we introduce and explicitly construct the canonical basis for a special family of cluster algebras of rank 2. ju-bi-lee 1 : a year of emancipation and restoration provided by ancien...

This month marks the 60th anniversary of the College and the 20th anniversary of the Research and Education Foundation (REF). To commemorate this anniversary, the College has undertaken several initiatives to inform members about its history (eg, a history book and a family medicine heritage website are in development). In recent months Canadian Family Physician has also shared stories about th...

The journal, very recently, paid tribute to the 100th anniversary of the discovery of renin by Tigerstedt and Bergman.1,2 Forty years later, 2 independent investigative groups in Buenos Aires and Indianapolis, headed by Drs Eduardo Braun-Menèndez and Irvine H. Page, respectively, identified the active polypeptide angiotensin that explained the pressor effect of renal hypertension.3–6 Thus, usin...