respo~ses of female mice to male urine odors. Physiology and BehaVIor, 1970, 5, 407- Two experiments are reported in which subjects viewed a film of an automobile accident and then answered questions about events occurring in the film. Relative to questions containing an indefinite article (e.g., Did you see a broken headlight?), questions which contained a definite article (e.g., Did you see the broken headlight?) produced (1) fewer uncertain or "I don't know" responses, and (2) more "recognition" of events that never, in fact, occurred. The results, which are consistent with the view that questions asked subsequent to an event can cause a reconstruction in one's memory of that event, have important implications for courtroom practices and eyewitness investigations.

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One in five people with dementia wander. Long-term care facilities must deal with wandering while simultaneously protecting residents, complying with life-safety codes, maintaining a home-like environment, and respecting resident rights. Wanderers tend to be physically healthier than those who do not wander, but more behaviorally disturbed. Experts indicate that 72% of patients who elope will attempt to elope again. Strategies like using commercial security systems, landscaping to direct wanderers' attention back to the facility, keeping resident albums with recent pictures and facts about the resident, and having a research-based policy help prevent serious outcomes.

Inadvertent puncture during use, disassembly, or disposal of needles or sharp devices (called collectively, "sharps") creates risk beyond a simple puncture. Sharps injury has always been a risk for health care workers, but emergence of certain blood-borne pathogens has intensified the need to act. Three- hepatitis B, hepatitis C, and HIV-are of utmost concern because they can cause significant morbidity or death. The incidence of sharps injury remains unacceptably high. Injury analysis at long-term care facilities and at the national level reveals several trends that can be used to shape policy and select interventions. Policy, practice, and training need to address new devices engineered to prevent sharps injuries, sharps disposal containers, and prophylaxis after percutaneous injury.