The annual International Space Station (ISS) Research and Development and Conference will be held July 16-18, 2013, at the Denver Marriott City Center. Abstracts are solicited under the categories of Discoveries in Microgravity Science; Discoveries in Space Science, Earth Science, Engineering and Education; Applications Benefiting Earth; Applications Enabling Exploration; and Opportunities. Topics should relate to science and technology activities (past, present, planned and proposed) on the International Space Station, including but not limited to topics on the International Space Station’s website http://www.nasa.gov/mission_pages/station/research/experiments_category.html