Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the Lead Center for NASA's scientific and technical information. The NASA STI Program Office provides ...

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the Lead Center for NASA's scientific and technical information. The NASA STI Program Office provides ...

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

OBJECTIVES Structural drivers of sexually transmitted infections (STI) among women who have sex with women (WSW) have been underexplored. The study objective was to understand sociodemographic, individual, structural, and sexual health factors associated with a lifetime history of STI among WSW. METHODS A cross-sectional survey was conducted in 2012 to engage a peer-driven recruitment sample ...

Graduate-level instruction in statistical computing need not be relegated to courses devoted to statistical computing; even theoretical statistics courses can include considerable computational content through well-designed exercises. Such exercises should be chosen so that they force students to learn essential computing skills without impeding instruction of theory. A series of examples used ...

OBJECTIVES Individuals aged 15-29 years have the highest rates of diagnosed sexually transmitted infection (STI), and in Canada routine STI testing is recommended for sexually active individuals under 25 years of age. Despite its being readily available to most Canadian university students, testing is not accessed by all sexually active students. This study examines correlates of STI testing am...

it is used in educational settings in teaching mathematics and reading instruction. aim: the present study examined the impact of direct instruction program on learning math concepts (addition, subtraction, multiplication and division) in children with mathematics disorder. methods: to fulfill the stated goal three students who were referred to malmir’s learning disability research center in ya...