All the President's secrets

All Secrets Great and Small

Tools for analysing secure information flow are almost exclusively based on ideas going back to Denning’s work from the 70’s. This approach embodies an imperfect notion of security which turns a blind eye to information flows which are encoded in the termination behaviour of a program. In exchange for this weakness many more programs are deemed ”secure”, using conditions which are easy to check...

All-or-Nothing Disclosure of Secrets

Alice disposes of some number of secrets. She is willing to disclose one of them to Bob. Although she agrees to let him choose wich secret he wants, she is not willing to allow him to gain any information on more than one secret. On the other hand, Bob does not want Alice to know which secret he wishes. This is a useful building block in crypto-protocols. For instance, it can be used to easily ...

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

A Letter from the Presidents

Hello and welcome to the first edition of the bimonthly STIMulus Newsletter. STIM (Students for Technology In Medicine) is a new student interest group dedicated to all things tech in medicine. One of our primary goals is to educate ourselves and our peers about all the latest and greatest happenings in the world of medical bio-tech, and come together to discuss the incredible advances that are...