ACRL President’s report, 1986-87

National Hockey League reported concussions, 1986-87 to 2001-02.

OBJECTIVES To examine the longitudinal media reported rate of concussions in the National Hockey League (NHL) over the period 1986-87 to 2001-02. METHODS All injury reports published in the weekly sports newspaper The Hockey News for the 16 seasons 1986-87 through 2001-02 were reviewed for reported concussions. The Hockey News reports are based on weekly injury reports released by the NHL, wh...

A Retrospective Study of 87 Cases of Canine Soft Tissue Sarcomas , 1986 – 2001

This study was undertaken to determine if a previously published variable for soft tissue sarcomas (STS), histologic grade, had relevance in a clinical setting, as well as to identify other potential prognostic variables and to determine the metastatic rate of canine STS for future studies. Medical records of dogs presented to the North Carolina State University Teaching Hospital for evaluation...

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 ...