Emerging medical technologies : high stakes science and the need for technology assessment -- Bioengineering and technology assessment -- Health and economic data : a global comparison -- World health and global health challenges -- Healthcare systems : a global comparison -- Healthcare costs vs. time : trends and drivers -- The evolution of technology : scientific method, engineering design and translational research -- Prevention of infectious disease -- Ethics of clinical research -- Technologies for early detection and prevention of cancer -- Cost-effectiveness of screening for disease -- Technologies for treatment of heart disease -- Clinical trial design and sample size calculation -- Technology diffusion -- Regulation of health care technologies -- Future of bioengineering and world health.