of Public Health highlights two special papers addressing environmental exposures along the border shared by Mexico and the United States of America. In one paper, Bass et al. (1) examine the use and storage of pesticides in households with young children in Douglas, a small Arizona border community; these pesticide practices reflect the risks as perceived by the Douglas residents. In the secon...

Many thanks to the journal for inviting my abbreviated Commentary on the past and future status of urban education. As the inaugural Constance E. Clayton Professor, I published the first three Clayton lectures by Professors James P. Comer, Edgar G. Epps, and Barbara Bowman in Vol. 1 (1) of this journal in spring 2002. Later, in spring 2005 I published lectures by Professor Linda Darling-Hammond...

On adaptively refined quadrilateral or hexahedral meshes, one usually employs constraints on degrees of freedom to deal with hanging nodes. How these constraints are constructed is relatively straightforward for conforming finite element methods: The constraints are used to ensure that the discrete solution space remains a subspace of the continuous space. On the other hand, for nonconforming m...

75. Evidence for Staphylococcus aureus α-toxin as a Dominant Antigen in Severe Pediatric Influenza-staphylococcal Co-infection — Implications for Therapy Karl Yu, MD, PhD; Adrienne Randolph, MD, MSc; Juliane Bubeck Wardenburg, MD, PhD; Department of Pediatrics (Infectious Diseases), Comer Children’s Hospital / University of Chicago, Chicago, IL; Department of Anesthesia, Perioperative and Pain ...

Douglas N. Arnold, ∗ Guy David, † David Jerison, ‡ Svitlana Mayboroda, § and Marcel Filoche ¶ School of Mathematics, University of Minnesota, Minneapolis, MN, USA Univ Paris-Sud, Laboratoire de Mathématiques, CNRS, UMR 8658 Orsay, F-91405∗∗ Mathematics Department, Massachusetts Institute of Technology, Boston, MA, USA Physique de la Matière Condensée, Ecole Polytechnique, CNRS, Palaiseau, Franc...

The author in this paper investigates the analytical stress field in the neighborhood of the intersection of a hole and a free boundary. Utilizing the form of a general 3D solution, which was constructed in a previous paper, he recovers the explicit displacement and stress fields in this neighborhood. Moreover, the analysis shows the complementary solution to be proportional to Q~-2, where c~ i...