AAAI President's Message

AAAI President's Message

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 ...

The First AAAI President's Message

Births are always interesting affairs. According to some, births are always traumatic—a shock to come from the womb to the world. The birth we give witness to here is that of a new society, the American Association for Artificial Intelligence—AAAI. It has not seemed to me traumatic, but rather almost wholly benign. In a world where not much is benign at the moment, such an event is devoutly to ...

Presidents, Vice Presidents, and Death: Closing the Constitution's Succession Gap

Underwriting the presidents.

The United States has had 43 presidents. We examined whether they survive significantly longer or shorter than their contemporaries. We found that survival was better for presidents elected in the 1789-1841 and 1933-2001 periods (SMRs of 0.7 and 0.6, respectively), but worse for those elected in 1845-1929 (SMR = 2.9). We also found increased mortality during the years lived in office (SMR = 1.4...

Presidents who value science.

www.sciencemag.org SCIENCE VOL 323 13 FEBRUARY 2009 843 COVER An image of Mare Moscoviense on the lunar farside, taken by the Terrain Camera aboard the SELENE (Kaguya) spacecraft on 17 January 2008. Crater frequency distributions derived from such images yield ages of about 2.5 billion years for several volcanic deposits in this mare, indicating that volcanism on the lunar farside lasted about ...