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Research News at Vanderbilt

National Geographic: The mystery of risk

May. 16, 2013, 11:20 AM | Want more research news? Subscribe to our weekly newsletter »

What exactly pushed Christopher Columbus to embark on a voyage across the Atlantic, or Edward Jenner to test his theory for an early smallpox vaccine on a child, or Henry Ford to bet that automobiles could replace horses? David Zald, professor of psychology, studies risk-taking and is quoted.