Today on Boston Public Radio:

Medical ethicist Arthur Caplan looked at the measles epidemics breaking out nationally. Caplan is the Drs. William F. and Virginia Connolly Mitty Chair and director of the Division of Medical Ethics at NYU Langone Medical Center, and the co-host of the "Everyday Ethics" podcast.


We looked at the psychology of personal space and asked our listeners: For you, how close is too close?


Juliette Kayyem weighed in on the shake-up at the Department of Homeland Security. Kayyem is on the faculty of Harvard’s Kennedy School and a CNN analyst.


WGBH executive arts editor Jared Bowen shared his picks for the best arts and cultural events around town this week.


If you're bored or anxious at your job, are you stressed out — or burned out? Historian Nancy Koehn looked at the phenomenon of millennial burnout and what can be done about it. Koehn is an historian at the Harvard Business School, where she holds the James E. Robison chair of Business Administration. Her latest book is "Forged in Crisis: The Power of Courageous Leadership in Turbulent Times."


Where have all the copy editors gone? Alex Beam shared his nostalgia for this disappearing profession. Beam is a columnist at The Boston Globe, and his latest book is “The Feud: Vladimir Nabokov, Edmund Wilson and the End of a Beautiful Friendship.”


A new study says that just 20 minutes spent outdoors daily can relieve stress — a "nature pill" of sorts. We opened up the lines and asked listeners: Is this true, in your experience?