 Support for On Point comes from the listeners of WBUR Boston and from MathWorks, creators of MATLAB and Simulink software for technical computing and model-based design. MathWorks, accelerating the pace of discovery in engineering and science. Learn more at mathworks.com. And RoadScholar, a not-for-profit educational travel organization offering adventures for adults in more than 100 countries. Learn more at roadscholar.org.