Examlex
A spaceship of triangular shape,having a length three times its width,is capable of relativistic speeds.How fast would it have to move so that to a stationary observer its length would equal its width?
Educational Interventions
Programs or strategies designed to inform and educate individuals or groups to improve knowledge, skills, and attitudes.
Injection Drug Use
The administration of drugs into the body with a needle and syringe, often associated with higher risk of infectious diseases.
HIV Infection
A viral infection caused by the human immunodeficiency virus, which attacks the immune system and can lead to acquired immunodeficiency syndrome (AIDS).
African Americans
A group in the United States characterized by their descent from any of the African continent's black racial groups.
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