4. Key Policy Developments The activities of the DST over the next three to five years will focus on three priority domains, that is, research and development, human capital development and infrastructure. It will, therefore: . Finalise the Human Capital Development Strategy for Research and Innovation; . Develop a science, technology, engineering, mathematics and innovation (STEMI) promotion and engagement strategy; . Continue to pursue enhanced investment and co-operation on STI across Africa and globally; . Re-assess the R&D Tax Incentive and the Venture Capital Tax Company Incentive to improve its effectiveness; . Finalise the Palaeosciences and Archaeology Strategy; . Establish an astronomy entity; . Finalise an Antarctic Research Strategy; . Finalise a Marine Biology Research Strategy; . Complete three policy case studies, for government planning and service delivery improvement through innovation, on housing, water and sanitation; and . Develop a sustainability model for the ongoing development and roll- out of cyber infrastructure, and an investment and growth strategy for the provision of scientific equipment to support research and innovation.