As long as there have been siblings, younger brothers have told their elders: Anything you can do, I can do better. In Major League Baseball, though, that's just not true.

A recent paper published in the Personality and Social Psychology Review found that younger brothers attempt to steal more bases than their elders. The paper, by Frank Sulloway of the University of California, Berkeley, and Richard Zweigenhaft of Guilford College, asserts that younger siblings are prone to engage in more risk-taking than their elders.

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