Seth Kahan on Grand Challenges
Grand Challenges represent the wicked problems that society faces—complex, persistent, and difficult to solve due to incomplete, contradictory, and ever-changing demands. Yet, addressing them is essential for humanity and life on Earth to survive and thrive. My work is dedicated to confronting these monumental issues.
These challenges are too vast for any single mind to fully comprehend or solve. They are multi-dimensional, with deep systemic roots that are reflected in legislation, policies, social behavior, and even individual thoughts and mindsets. These factors limit our ability to effectively address them.
However, there are models and frameworks I’ve developed to help organizations and activists collaborate in making tangible progress. These stem from my experience at the World Bank, where I’ve witnessed both the successes and failures of multinational efforts, and from my work with Grand Challenges in sectors that include maternal health in Kenya, earth science, finance, nursing, and mental health.
Seth Kahan on Grand Challenges
Dr. Robert Jeraj on Medical physics and its role in modern healthcare
Medical physics plays a vital role in nearly every aspect of modern healthcare. From diagnostic scans like CT imaging to advanced treatments such as radiotherapy, medical physics is behind the technology and precision that drive these procedures. In this video, we explore how medical physicists contribute to ensuring the right dose reaches the right patient—whether through imaging, therapy, or radiopharmaceuticals. You'll also learn how treatment is monitored and adjusted based on models that track patient progress before, during, and after care. Discover how this essential field is quietly transforming the way we diagnose and treat disease every day.
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