Guru Madhavan is a biomedical engineer and senior policy adviser. He conducts research at the National Academy of Sciences and has been named a distinguished young scientist by the World Economic Forum. He lives in Washington, DC.
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Our world is filled with pernicious problems. How, for example, did novice pilots learn to fly without taking to the air and risking their lives? How should cities process mountains of waste without polluting the environment? Challenges that tangle person... SEE MORE