Acquiring minds: acquisitions in two contexts

This paper compares and contrasts the work of acquisitions in two contexts: a large academic research library and a small special library serving a research-based non-profit institution. Organizational structure, staff issues, acquisitions services, and competencies for librarians are discussed.     

Building community connections for youth to reduce violence

The Safe Schools/Healthy Students Initiative in Morton High School District 201, Cicero, IL, used a social ecological systems perspective to implement its goals. Social‐emotional learning and violence‐prevention strategies were provided at the levels of the community, school, and individual. Creation of a safe school environment cut across developmental levels from preschool through high school. Intervention activities were universal/preventive, school, and targeted/individual. Finally, the project sought to develop a consortium infrastructure to institutionalize and sustain integrated services. © 2003 Wiley Periodicals, Inc. Psychol Schs 40: 549–563, 2003.     

营养、运动和激素促进骨健康的作用

健康的骨骼需要一个平衡的“三角支架”来支撑，即①经常性的体育活动，②充足的钙摄入，③正常的激素水平。通过在30岁前最大限度地增加骨储存，并在30岁以后降低骨丢失的速率，就可以预防骨质疏松性骨折。促进骨健康的理想运动方式是一天中进行多次的短时间运动，积少成多，而且要以各种方向和方位的负重运动为主。充足的钙摄入对达到峰值骨量和减少衰老性骨钙丢失极为重要，也是获取运动健骨作用的必备条件。激素水平的改变对骨量的影响最大，超过了运动和营养的作用。当今，只有为数不多的美国人能够做到摄入充足的钙和每周进行足量的运动．来增进骨骼健康。这是一个严重的公共健康问题。